22723687872 has 84 divisors (see below), whose sum is σ = 65157309360. Its totient is φ = 7571776512.

The previous prime is 22723687837. The next prime is 22723687933. The reversal of 22723687872 is 27878632722.

22723687872 is a `hidden beast` number, since 2 + 272 + 368 + 7 + 8 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2081404 + ... + 2092292.

Almost surely, 2^22723687872 is an apocalyptic number.

It is an amenable number.

22723687872 is an abundant number, since it is smaller than the sum of its proper divisors (42433621488).

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

22723687872 is a wasteful number, since it uses less digits than its factorization.

22723687872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14530 (or 14517 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The spelling of 22723687872 in words is "twenty-two billion, seven hundred twenty-three million, six hundred eighty-seven thousand, eight hundred seventy-two".