122894465823 has 12 divisors (see below), whose sum is σ = 177517283008. Its totient is φ = 81928234080.

The previous prime is 122894465821. The next prime is 122894465849. The reversal of 122894465823 is 328564498221.

122894465823 is a `hidden beast` number, since 1 + 22 + 89 + 4 + 465 + 82 + 3 = 666.

It is not a de Polignac number, because 122894465823 - 2¹ = 122894465821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122894465823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122894465821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 883218 + ... + 1012848.

Almost surely, 2^122894465823 is an apocalyptic number.

122894465823 is a deficient number, since it is larger than the sum of its proper divisors (54622817185).

122894465823 is a wasteful number, since it uses less digits than its factorization.

122894465823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234974 (or 234971 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The spelling of 122894465823 in words is "one hundred twenty-two billion, eight hundred ninety-four million, four hundred sixty-five thousand, eight hundred twenty-three".