23122550928 has 80 divisors (see below), whose sum is σ = 60431507136. Its totient is φ = 7617914880.

The previous prime is 23122550921. The next prime is 23122550959. The reversal of 23122550928 is 82905522132.

It is a super-2 number, since 2×23122550928² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23122550921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1524663 + ... + 1539753.

Almost surely, 2^23122550928 is an apocalyptic number.

It is an amenable number.

23122550928 is an abundant number, since it is smaller than the sum of its proper divisors (37308956208).

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

23122550928 is a wasteful number, since it uses less digits than its factorization.

23122550928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15472 (or 15466 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 23122550928 in words is "twenty-three billion, one hundred twenty-two million, five hundred fifty thousand, nine hundred twenty-eight".