23217075924 has 48 divisors (see below), whose sum is σ = 63175728000. Its totient is φ = 6633449088.

The previous prime is 23217075913. The next prime is 23217075949. The reversal of 23217075924 is 42957071232.

It is a super-2 number, since 2×23217075924² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2816229 + ... + 2824460.

It is an arithmetic number, because the mean of its divisors is an integer number (1316161000).

Almost surely, 2^23217075924 is an apocalyptic number.

It is an amenable number.

23217075924 is an abundant number, since it is smaller than the sum of its proper divisors (39958652076).

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

23217075924 is a wasteful number, since it uses less digits than its factorization.

23217075924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640717 (or 5640701 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 23217075924 in words is "twenty-three billion, two hundred seventeen million, seventy-five thousand, nine hundred twenty-four".