123031133092 has 24 divisors (see below), whose sum is σ = 260536518144. Its totient is φ = 49626003072.

The previous prime is 123031133059. The next prime is 123031133111. The reversal of 123031133092 is 290331130321.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 123031133092.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129233908 + ... + 129234859.

It is an arithmetic number, because the mean of its divisors is an integer number (10855688256).

Almost surely, 2^123031133092 is an apocalyptic number.

It is an amenable number.

123031133092 is an abundant number, since it is smaller than the sum of its proper divisors (137505385052).

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

123031133092 is a wasteful number, since it uses less digits than its factorization.

123031133092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258468795 (or 258468793 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 123031133092 in words is "one hundred twenty-three billion, thirty-one million, one hundred thirty-three thousand, ninety-two".