23131692792 has 192 divisors, whose sum is σ = 69991041120. Its totient is φ = 6855819264.

The previous prime is 23131692767. The next prime is 23131692797. The reversal of 23131692792 is 29729613132.

23131692792 is a `hidden beast` number, since 2 + 313 + 1 + 69 + 279 + 2 = 666.

It is a super-2 number, since 2×23131692792² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131692797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2934168 + ... + 2942040.

Almost surely, 2^23131692792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23131692792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34995520560).

23131692792 is an abundant number, since it is smaller than the sum of its proper divisors (46859348328).

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

23131692792 is a wasteful number, since it uses less digits than its factorization.

23131692792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014 (or 8007 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The spelling of 23131692792 in words is "twenty-three billion, one hundred thirty-one million, six hundred ninety-two thousand, seven hundred ninety-two".