23905256 has 16 divisors (see below), whose sum is σ = 46034340. Its totient is φ = 11629440.

The previous prime is 23905253. The next prime is 23905261. The reversal of 23905256 is 65250932.

It can be written as a sum of positive squares in 2 ways, for example, as 23716900 + 188356 = 4870^2 + 434^2 .

It is a super-2 number, since 2×23905256² = 1142922528851072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23905253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 40085 + ... + 40676.

Almost surely, 2^23905256 is an apocalyptic number.

It is an amenable number.

23905256 is a deficient number, since it is larger than the sum of its proper divisors (22129084).

23905256 is a wasteful number, since it uses less digits than its factorization.

23905256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80804 (or 80800 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 23905256 is about 4889.3001544188. The cubic root of 23905256 is about 288.0698454569.

The spelling of 23905256 in words is "twenty-three million, nine hundred five thousand, two hundred fifty-six".