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23! Factorial of 23

Value of 23! i.e, Factorial of 23 =
25852016738884976640
000



In general, the factorial of a number N = N*(N-1)*(N-2)....1
Factorial of a non-negative integer n is the product of all positive integers less than or equal to n. Factorials are commonly encountered in permutations, combinations, number theory and series expansions of trigonometric and other functions (Taylor series).

Number of trailing zeros in 23! = 4
To understand factorials, you might find it useful to read the Factorial tutorial over here.
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