23999912 has 16 divisors (see below), whose sum is σ = 45054900. Its totient is φ = 11985280.

The previous prime is 23999909. The next prime is 23999933. The reversal of 23999912 is 21999932.

It can be written as a sum of positive squares in 2 ways, for example, as 23755876 + 244036 = 4874^2 + 494^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8612 + ... + 11052.

Almost surely, 2^23999912 is an apocalyptic number.

It is an amenable number.

23999912 is a deficient number, since it is larger than the sum of its proper divisors (21054988).

23999912 is a wasteful number, since it uses less digits than its factorization.

23999912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676 (or 3672 counting only the distinct ones).

The product of its digits is 78732, while the sum is 44.

The square root of 23999912 is about 4898.9705040957. The cubic root of 23999912 is about 288.4495615112.

The spelling of 23999912 in words is "twenty-three million, nine hundred ninety-nine thousand, nine hundred twelve".