23309275 has 12 divisors (see below), whose sum is σ = 31531464. Its totient is φ = 16952000.

The previous prime is 23309267. The next prime is 23309287. The reversal of 23309275 is 57290332.

It is not a de Polignac number, because 23309275 - 2³ = 23309267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42106 + ... + 42655.

It is an arithmetic number, because the mean of its divisors is an integer number (2627622).

Almost surely, 2^23309275 is an apocalyptic number.

23309275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23309275 is a deficient number, since it is larger than the sum of its proper divisors (8222189).

23309275 is a wasteful number, since it uses less digits than its factorization.

23309275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84782 (or 84777 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 23309275 is about 4827.9679990654. The cubic root of 23309275 is about 285.6557180547.

The spelling of 23309275 in words is "twenty-three million, three hundred nine thousand, two hundred seventy-five".