23155718624 has 24 divisors (see below), whose sum is σ = 47159816760. Its totient is φ = 11178622336.

The previous prime is 23155718587. The next prime is 23155718629. The reversal of 23155718624 is 42681755132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23155718629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12475214 + ... + 12477069.

It is an arithmetic number, because the mean of its divisors is an integer number (1964992365).

Almost surely, 2^23155718624 is an apocalyptic number.

It is an amenable number.

23155718624 is an abundant number, since it is smaller than the sum of its proper divisors (24004098136).

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

23155718624 is a wasteful number, since it uses less digits than its factorization.

23155718624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24952322 (or 24952314 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The spelling of 23155718624 in words is "twenty-three billion, one hundred fifty-five million, seven hundred eighteen thousand, six hundred twenty-four".