23855265 has 24 divisors (see below), whose sum is σ = 47256768. Its totient is φ = 10905120.

The previous prime is 23855263. The next prime is 23855297. The reversal of 23855265 is 56255832.

23855265 = T₁₁₅₀ + T₁₁₅₁ + ... + T₁₁₈₄.

It is a happy number.

It is not a de Polignac number, because 23855265 - 2¹ = 23855263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23855261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37551 + ... + 38180.

It is an arithmetic number, because the mean of its divisors is an integer number (1969032).

Almost surely, 2^23855265 is an apocalyptic number.

It is an amenable number.

23855265 is a deficient number, since it is larger than the sum of its proper divisors (23401503).

23855265 is a wasteful number, since it uses less digits than its factorization.

23855265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75749 (or 75746 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 23855265 is about 4884.1851930491. The cubic root of 23855265 is about 287.8689001114.

The spelling of 23855265 in words is "twenty-three million, eight hundred fifty-five thousand, two hundred sixty-five".