123163835904 has 100 divisors (see below), whose sum is σ = 367611743664. Its totient is φ = 41054598144.

The previous prime is 123163835903. The next prime is 123163835939. The reversal of 123163835904 is 409538361321.

123163835904 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 638 + 3 + 5 + 9 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 123163835904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123163835903) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 1443432 + ... + 1526375.

Almost surely, 2^123163835904 is an apocalyptic number.

It is an amenable number.

123163835904 is an abundant number, since it is smaller than the sum of its proper divisors (244447907760).

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

123163835904 is an frugal number, since it uses more digits than its factorization.

123163835904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969837 (or 2969812 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 123163835904 in words is "one hundred twenty-three billion, one hundred sixty-three million, eight hundred thirty-five thousand, nine hundred four".