25956423 has 16 divisors (see below), whose sum is σ = 38623200. Its totient is φ = 17228160.

The previous prime is 25956419. The next prime is 25956449. The reversal of 25956423 is 32465952.

25956423 is a `hidden beast` number, since 2 + 5 + 9 + 5 + 642 + 3 = 666.

It is not a de Polignac number, because 25956423 - 2² = 25956419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25956493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4513 + ... + 8501.

It is an arithmetic number, because the mean of its divisors is an integer number (2413950).

Almost surely, 2^25956423 is an apocalyptic number.

25956423 is a deficient number, since it is larger than the sum of its proper divisors (12666777).

25956423 is a wasteful number, since it uses less digits than its factorization.

25956423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239 (or 4233 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 25956423 is about 5094.7446452202. The cubic root of 25956423 is about 296.0840057099.

The spelling of 25956423 in words is "twenty-five million, nine hundred fifty-six thousand, four hundred twenty-three".