23196731 has 2 divisors, whose sum is σ = 23196732. Its totient is φ = 23196730.

The previous prime is 23196727. The next prime is 23196769. The reversal of 23196731 is 13769132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23196731 - 2² = 23196727 is a prime.

It is a super-2 number, since 2×23196731² = 1076176658172722, which contains 22 as substring.

It is equal to p_1459823 and since 23196731 and 1459823 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23196031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11598365 + 11598366.

It is an arithmetic number, because the mean of its divisors is an integer number (11598366).

Almost surely, 2^23196731 is an apocalyptic number.

23196731 is a deficient number, since it is larger than the sum of its proper divisors (1).

23196731 is an equidigital number, since it uses as much as digits as its factorization.

23196731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 32.

The square root of 23196731 is about 4816.2984749702. The cubic root of 23196731 is about 285.1952330089.

The spelling of 23196731 in words is "twenty-three million, one hundred ninety-six thousand, seven hundred thirty-one".