123137645068 has 12 divisors (see below), whose sum is σ = 222921599040. Its totient is φ = 59445759632.

The previous prime is 123137645023. The next prime is 123137645089. The reversal of 123137645068 is 860546731321.

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, 530765596 + ... + 530765827.

It is an arithmetic number, because the mean of its divisors is an integer number (18576799920).

Almost surely, 2^123137645068 is an apocalyptic number.

It is an amenable number.

123137645068 is a deficient number, since it is larger than the sum of its proper divisors (99783953972).

123137645068 is a wasteful number, since it uses less digits than its factorization.

123137645068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061531456 (or 1061531454 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 123137645068 in words is "one hundred twenty-three billion, one hundred thirty-seven million, six hundred forty-five thousand, sixty-eight".