23656769 has 2 divisors, whose sum is σ = 23656770. Its totient is φ = 23656768.

The previous prime is 23656753. The next prime is 23656777. The reversal of 23656769 is 96765632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22420225 + 1236544 = 4735^2 + 1112^2 .

It is a cyclic number.

It is not a de Polignac number, because 23656769 - 2⁴ = 23656753 is a prime.

It is a super-2 number, since 2×23656769² = 1119285439038722, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (23656799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11828384 + 11828385.

It is an arithmetic number, because the mean of its divisors is an integer number (11828385).

Almost surely, 2^23656769 is an apocalyptic number.

It is an amenable number.

23656769 is a deficient number, since it is larger than the sum of its proper divisors (1).

23656769 is an equidigital number, since it uses as much as digits as its factorization.

23656769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 23656769 is about 4863.8224679772. The cubic root of 23656769 is about 287.0682376078.

The spelling of 23656769 in words is "twenty-three million, six hundred fifty-six thousand, seven hundred sixty-nine".