23656331 has 2 divisors, whose sum is σ = 23656332. Its totient is φ = 23656330.

The previous prime is 23656327. The next prime is 23656337. The reversal of 23656331 is 13365632.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23656331 - 2² = 23656327 is a prime.

It is a super-2 number, since 2×23656331² = 1119243992763122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23656294 and 23656303.

It is not a weakly prime, because it can be changed into another prime (23656337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11828165 + 11828166.

It is an arithmetic number, because the mean of its divisors is an integer number (11828166).

Almost surely, 2^23656331 is an apocalyptic number.

23656331 is a deficient number, since it is larger than the sum of its proper divisors (1).

23656331 is an equidigital number, since it uses as much as digits as its factorization.

23656331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 29.

The square root of 23656331 is about 4863.7774414543. Note that the first 3 decimals coincide. The cubic root of 23656331 is about 287.0664659279.

The spelling of 23656331 in words is "twenty-three million, six hundred fifty-six thousand, three hundred thirty-one".