23056717 has 2 divisors, whose sum is σ = 23056718. Its totient is φ = 23056716.

The previous prime is 23056699. The next prime is 23056721. The reversal of 23056717 is 71765032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20557156 + 2499561 = 4534^2 + 1581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23056717 is a prime.

It is a super-2 number, since 2×23056717² = 1063224397636178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23056757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11528358 + 11528359.

It is an arithmetic number, because the mean of its divisors is an integer number (11528359).

Almost surely, 2^23056717 is an apocalyptic number.

It is an amenable number.

23056717 is a deficient number, since it is larger than the sum of its proper divisors (1).

23056717 is an equidigital number, since it uses as much as digits as its factorization.

23056717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 23056717 is about 4801.7410384151. The cubic root of 23056717 is about 284.6202678434.

The spelling of 23056717 in words is "twenty-three million, fifty-six thousand, seven hundred seventeen".