117256923 has 32 divisors (see below), whose sum is σ = 208985600. Its totient is φ = 63475488.

The previous prime is 117256897. The next prime is 117256933. The reversal of 117256923 is 329652711.

117256923 is a `hidden beast` number, since 1 + 1 + 72 + 569 + 23 = 666.

It is not a de Polignac number, because 117256923 - 2⁹ = 117256411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117256933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12736 + ... + 19917.

It is an arithmetic number, because the mean of its divisors is an integer number (6530800).

Almost surely, 2^117256923 is an apocalyptic number.

117256923 is a deficient number, since it is larger than the sum of its proper divisors (91728677).

117256923 is a wasteful number, since it uses less digits than its factorization.

117256923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32688 (or 32682 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 117256923 is about 10828.5235835732. The cubic root of 117256923 is about 489.4550696191.

The spelling of 117256923 in words is "one hundred seventeen million, two hundred fifty-six thousand, nine hundred twenty-three".