122373992394 has 24 divisors (see below), whose sum is σ = 265150088580. Its totient is φ = 40790340288.

The previous prime is 122373992383. The next prime is 122373992401. The reversal of 122373992394 is 493299373221.

122373992394 is a `hidden beast` number, since 1 + 223 + 7 + 399 + 23 + 9 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85768736769 + 36605255625 = 292863^2 + 191325^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122373992394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1373352 + ... + 1459740.

Almost surely, 2^122373992394 is an apocalyptic number.

122373992394 is an abundant number, since it is smaller than the sum of its proper divisors (142776096186).

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

122373992394 is a wasteful number, since it uses less digits than its factorization.

122373992394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165094 (or 165091 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The spelling of 122373992394 in words is "one hundred twenty-two billion, three hundred seventy-three million, nine hundred ninety-two thousand, three hundred ninety-four".