23021694504 has 64 divisors (see below), whose sum is σ = 65508912000. Its totient is φ = 7486727040.

The previous prime is 23021694499. The next prime is 23021694523. The reversal of 23021694504 is 40549612032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1290924 + ... + 1308635.

It is an arithmetic number, because the mean of its divisors is an integer number (1023576750).

Almost surely, 2^23021694504 is an apocalyptic number.

23021694504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23021694504 is an abundant number, since it is smaller than the sum of its proper divisors (42487217496).

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

23021694504 is a wasteful number, since it uses less digits than its factorization.

23021694504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599615 (or 2599605 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 23021694504 in words is "twenty-three billion, twenty-one million, six hundred ninety-four thousand, five hundred four".