123699064124 has 6 divisors (see below), whose sum is σ = 216473362224. Its totient is φ = 61849532060.

The previous prime is 123699064067. The next prime is 123699064199. The reversal of 123699064124 is 421460996321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15462383012 + ... + 15462383019.

It is an arithmetic number, because the mean of its divisors is an integer number (36078893704).

Almost surely, 2^123699064124 is an apocalyptic number.

It is an amenable number.

123699064124 is a deficient number, since it is larger than the sum of its proper divisors (92774298100).

123699064124 is a wasteful number, since it uses less digits than its factorization.

123699064124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30924766035 (or 30924766033 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 123699064124 in words is "one hundred twenty-three billion, six hundred ninety-nine million, sixty-four thousand, one hundred twenty-four".