23313569 has 2 divisors, whose sum is σ = 23313570. Its totient is φ = 23313568.

The previous prime is 23313553. The next prime is 23313623. The reversal of 23313569 is 96531332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21967969 + 1345600 = 4687^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 23313569 - 2⁴ = 23313553 is a prime.

It is a super-2 number, since 2×23313569² = 1087044999035522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23313509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656784 + 11656785.

It is an arithmetic number, because the mean of its divisors is an integer number (11656785).

Almost surely, 2^23313569 is an apocalyptic number.

It is an amenable number.

23313569 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313569 is an equidigital number, since it uses as much as digits as its factorization.

23313569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 32.

The square root of 23313569 is about 4828.4126791317. The cubic root of 23313569 is about 285.6732580017.

The spelling of 23313569 in words is "twenty-three million, three hundred thirteen thousand, five hundred sixty-nine".