123972313328 has 10 divisors (see below), whose sum is σ = 240196357104. Its totient is φ = 61986156656.

The previous prime is 123972313327. The next prime is 123972313393. The reversal of 123972313328 is 823313279321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123972313327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3874134776 + ... + 3874134807.

Almost surely, 2^123972313328 is an apocalyptic number.

It is an amenable number.

123972313328 is a deficient number, since it is larger than the sum of its proper divisors (116224043776).

123972313328 is an equidigital number, since it uses as much as digits as its factorization.

123972313328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7748269591 (or 7748269585 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The spelling of 123972313328 in words is "one hundred twenty-three billion, nine hundred seventy-two million, three hundred thirteen thousand, three hundred twenty-eight".