23808769 has 2 divisors, whose sum is σ = 23808770. Its totient is φ = 23808768.

The previous prime is 23808709. The next prime is 23808793. The reversal of 23808769 is 96780832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23648769 + 160000 = 4863^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 23808769 - 2¹¹ = 23806721 is a prime.

It is a super-2 number, since 2×23808769² = 1133714962590722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23808709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11904384 + 11904385.

It is an arithmetic number, because the mean of its divisors is an integer number (11904385).

Almost surely, 2^23808769 is an apocalyptic number.

It is an amenable number.

23808769 is a deficient number, since it is larger than the sum of its proper divisors (1).

23808769 is an equidigital number, since it uses as much as digits as its factorization.

23808769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 23808769 is about 4879.4230191694. The cubic root of 23808769 is about 287.6817512392.

The spelling of 23808769 in words is "twenty-three million, eight hundred eight thousand, seven hundred sixty-nine".