23117356472056 has 96 divisors (see below), whose sum is σ = 55010516359680. Its totient is φ = 9005954596800.

The previous prime is 23117356472033. The next prime is 23117356472057. The reversal of 23117356472056 is 65027465371132.

It is a super-2 number, since 2×23117356472056² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23117356471994 and 23117356472012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23117356472057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49021311 + ... + 49490641.

It is an arithmetic number, because the mean of its divisors is an integer number (573026212080).

Almost surely, 2^{23117356472056} is an apocalyptic number.

It is an amenable number.

23117356472056 is an abundant number, since it is smaller than the sum of its proper divisors (31893159887624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23117356472056 is a wasteful number, since it uses less digits than its factorization.

23117356472056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480785 (or 480774 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 23117356472056 in words is "twenty-three trillion, one hundred seventeen billion, three hundred fifty-six million, four hundred seventy-two thousand, fifty-six".