23686963 has 2 divisors, whose sum is σ = 23686964. Its totient is φ = 23686962.

The previous prime is 23686931. The next prime is 23686969. The reversal of 23686963 is 36968632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23686963 - 2⁵ = 23686931 is a prime.

It is a super-2 number, since 2×23686963² = 1122144432326738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23686969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11843481 + 11843482.

It is an arithmetic number, because the mean of its divisors is an integer number (11843482).

Almost surely, 2^23686963 is an apocalyptic number.

23686963 is a deficient number, since it is larger than the sum of its proper divisors (1).

23686963 is an equidigital number, since it uses as much as digits as its factorization.

23686963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 43.

The square root of 23686963 is about 4866.9254154959. The cubic root of 23686963 is about 287.1903175831.

It can be divided in two parts, 23686 and 963, that added together give a square (24649 = 157²).

The spelling of 23686963 in words is "twenty-three million, six hundred eighty-six thousand, nine hundred sixty-three".