23042475 has 36 divisors (see below), whose sum is σ = 42811496. Its totient is φ = 12286080.

The previous prime is 23042471. The next prime is 23042477. The reversal of 23042475 is 57424032.

23042475 is a `hidden beast` number, since 230 + 424 + 7 + 5 = 666.

It is not a de Polignac number, because 23042475 - 2² = 23042471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23042471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4179 + ... + 7971.

Almost surely, 2^23042475 is an apocalyptic number.

23042475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23042475 is a deficient number, since it is larger than the sum of its proper divisors (19769021).

23042475 is an equidigital number, since it uses as much as digits as its factorization.

23042475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818 (or 3801 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 23042475 is about 4800.2578055767. The cubic root of 23042475 is about 284.5616530117.

The spelling of 23042475 in words is "twenty-three million, forty-two thousand, four hundred seventy-five".