123115542604 has 24 divisors (see below), whose sum is σ = 218713845168. Its totient is φ = 60626258880.

The previous prime is 123115542587. The next prime is 123115542623. The reversal of 123115542604 is 406245511321.

It is a self number, because there is not a number n which added to its sum of digits gives 123115542604.

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, 1299882 + ... + 1391374.

It is an arithmetic number, because the mean of its divisors is an integer number (9113076882).

Almost surely, 2^123115542604 is an apocalyptic number.

It is an amenable number.

123115542604 is a deficient number, since it is larger than the sum of its proper divisors (95598302564).

123115542604 is a wasteful number, since it uses less digits than its factorization.

123115542604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96585 (or 96583 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 123115542604 in words is "one hundred twenty-three billion, one hundred fifteen million, five hundred forty-two thousand, six hundred four".