23916769 has 2 divisors, whose sum is σ = 23916770. Its totient is φ = 23916768.

The previous prime is 23916743. The next prime is 23916787. The reversal of 23916769 is 96761932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23571025 + 345744 = 4855^2 + 588^2 .

It is a cyclic number.

It is not a de Polignac number, because 23916769 - 2¹¹ = 23914721 is a prime.

It is a super-2 number, since 2×23916769² = 1144023678798722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23916709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11958384 + 11958385.

It is an arithmetic number, because the mean of its divisors is an integer number (11958385).

Almost surely, 2^23916769 is an apocalyptic number.

It is an amenable number.

23916769 is a deficient number, since it is larger than the sum of its proper divisors (1).

23916769 is an equidigital number, since it uses as much as digits as its factorization.

23916769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 23916769 is about 4890.4773795612. The cubic root of 23916769 is about 288.1160837660.

The spelling of 23916769 in words is "twenty-three million, nine hundred sixteen thousand, seven hundred sixty-nine".