23575645 has 16 divisors (see below), whose sum is σ = 28827648. Its totient is φ = 18506880.

The previous prime is 23575613. The next prime is 23575661. The reversal of 23575645 is 54657532.

It is not a de Polignac number, because 23575645 - 2⁵ = 23575613 is a prime.

It is a super-2 number, since 2×23575645² = 1111622074332050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86860 + ... + 87130.

It is an arithmetic number, because the mean of its divisors is an integer number (1801728).

Almost surely, 2^23575645 is an apocalyptic number.

It is an amenable number.

23575645 is a deficient number, since it is larger than the sum of its proper divisors (5252003).

23575645 is a wasteful number, since it uses less digits than its factorization.

23575645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its digits is 126000, while the sum is 37.

The square root of 23575645 is about 4855.4757748340. The cubic root of 23575645 is about 286.7397228321.

The spelling of 23575645 in words is "twenty-three million, five hundred seventy-five thousand, six hundred forty-five".