123915926956 has 24 divisors (see below), whose sum is σ = 219115769600. Its totient is φ = 61312287312.

The previous prime is 123915926909. The next prime is 123915927019. The reversal of 123915926956 is 659629519321.

It is a self number, because there is not a number n which added to its sum of digits gives 123915926956.

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, 468895 + ... + 683881.

Almost surely, 2^123915926956 is an apocalyptic number.

It is an amenable number.

123915926956 is a deficient number, since it is larger than the sum of its proper divisors (95199842644).

123915926956 is a wasteful number, since it uses less digits than its factorization.

123915926956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216493 (or 216491 counting only the distinct ones).

The product of its digits is 7873200, while the sum is 58.

The spelling of 123915926956 in words is "one hundred twenty-three billion, nine hundred fifteen million, nine hundred twenty-six thousand, nine hundred fifty-six".