23745655 has 4 divisors (see below), whose sum is σ = 28494792. Its totient is φ = 18996520.

The previous prime is 23745647. The next prime is 23745661. The reversal of 23745655 is 55654732.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23745655 - 2³ = 23745647 is a prime.

It is a super-2 number, since 2×23745655² = 1127712262758050, 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 3 ways as a sum of consecutive naturals, for example, 2374561 + ... + 2374570.

It is an arithmetic number, because the mean of its divisors is an integer number (7123698).

Almost surely, 2^23745655 is an apocalyptic number.

23745655 is a deficient number, since it is larger than the sum of its proper divisors (4749137).

23745655 is an equidigital number, since it uses as much as digits as its factorization.

23745655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749136.

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

The square root of 23745655 is about 4872.9513644197. The cubic root of 23745655 is about 287.4273237850.

The spelling of 23745655 in words is "twenty-three million, seven hundred forty-five thousand, six hundred fifty-five".