23422563864 has 96 divisors (see below), whose sum is σ = 74998404000. Its totient is φ = 6461392896.

The previous prime is 23422563817. The next prime is 23422563911. The reversal of 23422563864 is 46836522432.

23422563864 is a `hidden beast` number, since 2 + 3 + 4 + 2 + 2 + 5 + 638 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (23422563817) and next prime (23422563911).

It is a super-2 number, since 2×23422563864² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 786649 + ... + 815880.

It is an arithmetic number, because the mean of its divisors is an integer number (781233375).

Almost surely, 2^23422563864 is an apocalyptic number.

23422563864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23422563864 is an abundant number, since it is smaller than the sum of its proper divisors (51575840136).

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

23422563864 is a wasteful number, since it uses less digits than its factorization.

23422563864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602577 (or 1602570 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The spelling of 23422563864 in words is "twenty-three billion, four hundred twenty-two million, five hundred sixty-three thousand, eight hundred sixty-four".