123732672664 has 16 divisors (see below), whose sum is σ = 232178485320. Its totient is φ = 61818409920.

The previous prime is 123732672641. The next prime is 123732672671. The reversal of 123732672664 is 466276237321.

It is a congruent number.

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, 5979829 + ... + 6000484.

Almost surely, 2^123732672664 is an apocalyptic number.

It is an amenable number.

123732672664 is a deficient number, since it is larger than the sum of its proper divisors (108445812656).

123732672664 is a wasteful number, since it uses less digits than its factorization.

123732672664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11981610 (or 11981606 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 49.

The spelling of 123732672664 in words is "one hundred twenty-three billion, seven hundred thirty-two million, six hundred seventy-two thousand, six hundred sixty-four".