23156275 has 6 divisors (see below), whose sum is σ = 28713812. Its totient is φ = 18525000.

The previous prime is 23156249. The next prime is 23156293. The reversal of 23156275 is 57265132.

It is not a de Polignac number, because 23156275 - 2¹⁷ = 23025203 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463101 + ... + 463150.

Almost surely, 2^23156275 is an apocalyptic number.

23156275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23156275 is a deficient number, since it is larger than the sum of its proper divisors (5557537).

23156275 is an equidigital number, since it uses as much as digits as its factorization.

23156275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926261 (or 926256 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 23156275 is about 4812.0967363510. The cubic root of 23156275 is about 285.0293393413.

The spelling of 23156275 in words is "twenty-three million, one hundred fifty-six thousand, two hundred seventy-five".