23164778599 has 2 divisors, whose sum is σ = 23164778600. Its totient is φ = 23164778598.

The previous prime is 23164778471. The next prime is 23164778603. The reversal of 23164778599 is 99587746132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23164778599 - 2⁷ = 23164778471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23164778899) 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, 11582389299 + 11582389300.

It is an arithmetic number, because the mean of its divisors is an integer number (11582389300).

Almost surely, 2^23164778599 is an apocalyptic number.

23164778599 is a deficient number, since it is larger than the sum of its proper divisors (1).

23164778599 is an equidigital number, since it uses as much as digits as its factorization.

23164778599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 61.

The spelling of 23164778599 in words is "twenty-three billion, one hundred sixty-four million, seven hundred seventy-eight thousand, five hundred ninety-nine".