23561275 has 12 divisors (see below), whose sum is σ = 29295000. Its totient is φ = 18798080.

The previous prime is 23561257. The next prime is 23561281. The reversal of 23561275 is 57216532.

It is not a de Polignac number, because 23561275 - 2²¹ = 21464123 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 10176 + ... + 12274.

It is an arithmetic number, because the mean of its divisors is an integer number (2441250).

Almost surely, 2^23561275 is an apocalyptic number.

23561275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23561275 is a deficient number, since it is larger than the sum of its proper divisors (5733725).

23561275 is a wasteful number, since it uses less digits than its factorization.

23561275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558 (or 2553 counting only the distinct ones).

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

The square root of 23561275 is about 4853.9957766772. The cubic root of 23561275 is about 286.6814524253.

The spelling of 23561275 in words is "twenty-three million, five hundred sixty-one thousand, two hundred seventy-five".