23115122399 has 2 divisors, whose sum is σ = 23115122400. Its totient is φ = 23115122398.

The previous prime is 23115122363. The next prime is 23115122447. The reversal of 23115122399 is 99322151132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23115122399 - 2²⁴ = 23098345183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23115122099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11557561199 + 11557561200.

It is an arithmetic number, because the mean of its divisors is an integer number (11557561200).

Almost surely, 2^23115122399 is an apocalyptic number.

23115122399 is a deficient number, since it is larger than the sum of its proper divisors (1).

23115122399 is an equidigital number, since it uses as much as digits as its factorization.

23115122399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 38.

The spelling of 23115122399 in words is "twenty-three billion, one hundred fifteen million, one hundred twenty-two thousand, three hundred ninety-nine".