What is the factorial of 1423? (1423!) 1423 Factorial

What is the factorial of 1423?

Here we will show you how to calculate the factorial of 1423 (aka 1423 factorial) and give you the approximate scientific notation answer and the exact answer.

Before we begin, note that the factorial of 1423 can be written as 1423 followed by an exclamation mark like this: 1423!

Factorial of 1423 means that you multiply 1423 by every number below it. Therefore, you calculate the factorial of 1423 by multiplying 1423 by 1422, then by 1421, and so on all the way down to 1. In other words, we calculate 1423 × 1422 × 1421 × ... × 1 to get 1423 factorial.

The answer to 1423 factorial (1423!) contains 3871 digits and we have listed the exact entire answer at the bottom of this page. However, below is the approximate scientific notation answer to 1423 factorial:

9.6659131557 × 10³⁸⁷⁰

The answer above is also sometimes written as 9.6659131557e+3870. Regardless, it means that the approximate answer to 1423! is 96659131557 followed by 3860 more digits.

Factorial Calculator
Do you need to get the factorial for another number? Calculate the factorial of another number right here!

Like we promised, below is the exact answer to 1423 factorial (1423!) with all 3871 digits:

9665913155758090943800262967110566775232079343762120084817950503897248582455652959450436875622878504903179611075710429323362674784841947484012778439236334527589015758266892149567295768785807294187015406685956739140162864724226128347826002029636341832948255861507155589141588683453146354125491355862967586309492090127610500448184220541034860972518310456207526250356249479515706530828493457648184490667126191891751207405038455561209248989518622256136807281692570875875294973442385259709638114566983625912420733975535723213675488531719672606544019565196066739552575167570555132763257332167796758103093524448151316287606998265715496301718277575925313102983878914322646661037865054464944996476990257244717205181981666320187142126319532067353900933090789021050992680681471414500951100054790811446046734599091390651022439657133127476388899226589242709881047897106704106874322924307283927081790794268685188191200809694165857658833494864630769027310752491112845909646389967329194942981831130804464726032428748059187908767467656521756572971046546676341684605174928151716534411241729780847630978471767275747209057682203724203937961262390676812067772754438284869139451136719778420828794232800433243574858827010355047818345491834843533603801530280940779200295027054167916402200780453471744400258300678921553025709987088556059906416041170931332617731791508006688063031798733348462743038439612037932333785243379737826590512832906301656301465246713119568465772413609611221140813117656117464704575088087354798189637978968074656499711411002863006236598925721593419224902894024053953621140187169844946486043237805402392391826891161698721484751464153868980930346664483806049139803619499834645613718792274981802547444541428010060833492259989716443406429865945078502532158343265147277517443479691574515689932139939285885545631610205583693439801339089033909895189711062366667202679075324025992242629069618931816198675296680640769238861943864470095027425611667097166059528318421822289848827130802252794078944844597758880248614846209286387174944230892945206333876572067530930951229240639625044253905344735193291957440241856577623144015904837285466558019018549190853116748505235708441490210578207020030863778247883160177751303931980111335860760417250893900149025337551853309370165883110330233931917822729120888296319221919638720146618591743663151707971287735286214217458222165085530768246513374242406611116757619173175540621646512769008131786599961027570020778109466325208713137715211406059762508697863002823084564598901451596023869366477620165976166718662575176106175895344473294468089117317048075735312809603479205909995416192275373748928104223037771291768170317489890385841371869261130077960194396534932953797548833828325525516550825528579723294910564929186765135152465634717920029299613240482807773693911673358555922848251641808413087153866395909870445225932373227075426822705890096058051176406918622835447464729788506121512834897896769906462948062944995517274729567140230789060708454268566550912747887291184365966824457590781593198316498377827653829625124810335927474017310838923826349775492739097688392246901621322645537995834459134698286579178507358937217488270411857960170528691476329142667743012902439143057927398715653730504278265509357994620059118296521733028899314408223885358255014427887584394704261314679605752641263883252276552250033995243932688910043444623183085354826366207573601986119356192167076234998763777633224072983051082965150443136425176329679180160042648472341306642451820267057162441192398991114676253784848014612889600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

What is the factorial of 1424?
The factorial of 1423 is not the only problem we can solve. Go here for the next number on our list that we have calculated the factorial of!