23278183912 has 16 divisors (see below), whose sum is σ = 46214041860. Its totient is φ = 10954439424.

The previous prime is 23278183891. The next prime is 23278183933. The reversal of 23278183912 is 21938187232.

It is an interprime number because it is at equal distance from previous prime (23278183891) and next prime (23278183933).

It can be written as a sum of positive squares in 2 ways, for example, as 22962553156 + 315630756 = 151534^2 + 17766^2 .

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, 85581423 + ... + 85581694.

Almost surely, 2^23278183912 is an apocalyptic number.

It is an amenable number.

23278183912 is a deficient number, since it is larger than the sum of its proper divisors (22935857948).

23278183912 is a wasteful number, since it uses less digits than its factorization.

23278183912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171163140 (or 171163136 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The spelling of 23278183912 in words is "twenty-three billion, two hundred seventy-eight million, one hundred eighty-three thousand, nine hundred twelve".