123902969820696 has 384 divisors, whose sum is σ = 394542096480000. Its totient is φ = 35719292390400.

The previous prime is 123902969820629. The next prime is 123902969820743. The reversal of 123902969820696 is 696028969209321.

123902969820696 is a `hidden beast` number, since 1 + 2 + 390 + 2 + 96 + 98 + 2 + 0 + 69 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 134256960 + ... + 135176688.

It is an arithmetic number, because the mean of its divisors is an integer number (1027453376250).

Almost surely, 2^{123902969820696} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123902969820696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197271048240000).

123902969820696 is an abundant number, since it is smaller than the sum of its proper divisors (270639126659304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123902969820696 is a wasteful number, since it uses less digits than its factorization.

123902969820696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919876 (or 919835 counting only the distinct ones).

The product of its (nonzero) digits is 272097792, while the sum is 72.

The spelling of 123902969820696 in words is "one hundred twenty-three trillion, nine hundred two billion, nine hundred sixty-nine million, eight hundred twenty thousand, six hundred ninety-six".