122636115423 has 8 divisors (see below), whose sum is σ = 181683134000. Its totient is φ = 81757410264.

The previous prime is 122636115403. The next prime is 122636115449. The reversal of 122636115423 is 324511636221.

122636115423 is a `hidden beast` number, since 1 + 2 + 2 + 636 + 1 + 15 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 122636115423 - 2⁹ = 122636114911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122636115403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271039148 + ... + 2271039201.

It is an arithmetic number, because the mean of its divisors is an integer number (22710391750).

Almost surely, 2^122636115423 is an apocalyptic number.

122636115423 is a deficient number, since it is larger than the sum of its proper divisors (59047018577).

122636115423 is an equidigital number, since it uses as much as digits as its factorization.

122636115423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542078358 (or 4542078352 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 122636115423 in words is "one hundred twenty-two billion, six hundred thirty-six million, one hundred fifteen thousand, four hundred twenty-three".