25423923 has 32 divisors (see below), whose sum is σ = 40550400. Its totient is φ = 13862016.

The previous prime is 25423897. The next prime is 25423927. The reversal of 25423923 is 32932452.

It is not a de Polignac number, because 25423923 - 2⁸ = 25423667 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (25423927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66190 + ... + 66572.

It is an arithmetic number, because the mean of its divisors is an integer number (1267200).

Almost surely, 2^25423923 is an apocalyptic number.

25423923 is a deficient number, since it is larger than the sum of its proper divisors (15126477).

25423923 is a wasteful number, since it uses less digits than its factorization.

25423923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531.

The product of its digits is 12960, while the sum is 30.

The square root of 25423923 is about 5042.2140970014. The cubic root of 25423923 is about 294.0452635201.

The spelling of 25423923 in words is "twenty-five million, four hundred twenty-three thousand, nine hundred twenty-three".