23808857669 has 2 divisors, whose sum is σ = 23808857670. Its totient is φ = 23808857668.

The previous prime is 23808857627. The next prime is 23808857693. The reversal of 23808857669 is 96675880832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23302022500 + 506835169 = 152650^2 + 22513^2 .

It is a cyclic number.

It is not a de Polignac number, because 23808857669 - 2²⁰ = 23807809093 is a prime.

It is a super-2 number, since 2×23808857669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23808857869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11904428834 + 11904428835.

It is an arithmetic number, because the mean of its divisors is an integer number (11904428835).

Almost surely, 2^23808857669 is an apocalyptic number.

It is an amenable number.

23808857669 is a deficient number, since it is larger than the sum of its proper divisors (1).

23808857669 is an equidigital number, since it uses as much as digits as its factorization.

23808857669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 23808857669 in words is "twenty-three billion, eight hundred eight million, eight hundred fifty-seven thousand, six hundred sixty-nine".