23407569 has 16 divisors (see below), whose sum is σ = 35616640. Its totient is φ = 15182640.

The previous prime is 23407561. The next prime is 23407603. The reversal of 23407569 is 96570432.

It is not a de Polignac number, because 23407569 - 2³ = 23407561 is a prime.

It is a super-2 number, since 2×23407569² = 1095828572979522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23407561) 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 in 15 ways as a sum of consecutive naturals, for example, 10717 + ... + 12714.

It is an arithmetic number, because the mean of its divisors is an integer number (2226040).

Almost surely, 2^23407569 is an apocalyptic number.

It is an amenable number.

23407569 is a deficient number, since it is larger than the sum of its proper divisors (12209071).

23407569 is a wasteful number, since it uses less digits than its factorization.

23407569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23477 (or 23471 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 23407569 is about 4838.1369348128. The cubic root of 23407569 is about 286.0566867277.

The spelling of 23407569 in words is "twenty-three million, four hundred seven thousand, five hundred sixty-nine".