123182760872 has 16 divisors (see below), whose sum is σ = 231049246740. Its totient is φ = 61569628416.

The previous prime is 123182760863. The next prime is 123182760881. The reversal of 123182760872 is 278067281321.

It is an interprime number because it is at equal distance from previous prime (123182760863) and next prime (123182760881).

It can be written as a sum of positive squares in 2 ways, for example, as 122644242436 + 538518436 = 350206^2 + 23206^2 .

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, 2694923 + ... + 2740250.

Almost surely, 2^123182760872 is an apocalyptic number.

It is an amenable number.

123182760872 is a deficient number, since it is larger than the sum of its proper divisors (107866485868).

123182760872 is a wasteful number, since it uses less digits than its factorization.

123182760872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438012 (or 5438008 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 123182760872 in words is "one hundred twenty-three billion, one hundred eighty-two million, seven hundred sixty thousand, eight hundred seventy-two".