23686969 has 2 divisors, whose sum is σ = 23686970. Its totient is φ = 23686968.

The previous prime is 23686963. The next prime is 23686973. The reversal of 23686969 is 96968632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19686969 + 4000000 = 4437^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 23686969 - 2⁷ = 23686841 is a prime.

It is a super-2 number, since 2×23686969² = 1122145000813922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23686963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11843484 + 11843485.

It is an arithmetic number, because the mean of its divisors is an integer number (11843485).

Almost surely, 2^23686969 is an apocalyptic number.

It is an amenable number.

23686969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23686969 is an equidigital number, since it uses as much as digits as its factorization.

23686969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 49.

The square root of 23686969 is about 4866.9260319015. The cubic root of 23686969 is about 287.1903418319.

The spelling of 23686969 in words is "twenty-three million, six hundred eighty-six thousand, nine hundred sixty-nine".