23994912872 has 16 divisors (see below), whose sum is σ = 51417670560. Its totient is φ = 10283534064.

The previous prime is 23994912859. The next prime is 23994912899. The reversal of 23994912872 is 27821949932.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 428480587 = 23994912872 / (2 + 3 + 9 + 9 + 4 + 9 + 1 + 2 + 8 + 7 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214240238 + ... + 214240349.

It is an arithmetic number, because the mean of its divisors is an integer number (3213604410).

Almost surely, 2^23994912872 is an apocalyptic number.

It is an amenable number.

23994912872 is an abundant number, since it is smaller than the sum of its proper divisors (27422757688).

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

23994912872 is a wasteful number, since it uses less digits than its factorization.

23994912872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428480600 (or 428480596 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 56.

The spelling of 23994912872 in words is "twenty-three billion, nine hundred ninety-four million, nine hundred twelve thousand, eight hundred seventy-two".