23137075 has 12 divisors (see below), whose sum is σ = 30897328. Its totient is φ = 17085600.

The previous prime is 23137073. The next prime is 23137091. The reversal of 23137075 is 57073132.

It is not a de Polignac number, because 23137075 - 2¹ = 23137073 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23137073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35271 + ... + 35920.

Almost surely, 2^23137075 is an apocalyptic number.

23137075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23137075 is a deficient number, since it is larger than the sum of its proper divisors (7760253).

23137075 is a wasteful number, since it uses less digits than its factorization.

23137075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71214 (or 71209 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 23137075 is about 4810.1013502836. The cubic root of 23137075 is about 284.9505403040.

The spelling of 23137075 in words is "twenty-three million, one hundred thirty-seven thousand, seventy-five".