23531275 has 6 divisors (see below), whose sum is σ = 29178812. Its totient is φ = 18825000.

The previous prime is 23531269. The next prime is 23531303. The reversal of 23531275 is 57213532.

It is not a de Polignac number, because 23531275 - 2⁹ = 23530763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 470601 + ... + 470650.

Almost surely, 2^23531275 is an apocalyptic number.

23531275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23531275 is a deficient number, since it is larger than the sum of its proper divisors (5647537).

23531275 is an equidigital number, since it uses as much as digits as its factorization.

23531275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941261 (or 941256 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 23531275 is about 4850.9045548227. The cubic root of 23531275 is about 286.5597259001.

The spelling of 23531275 in words is "twenty-three million, five hundred thirty-one thousand, two hundred seventy-five".