23916425 has 12 divisors (see below), whose sum is σ = 31938060. Its totient is φ = 17661120.

The previous prime is 23916419. The next prime is 23916439. The reversal of 23916425 is 52461932.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 606841 + 23309584 = 779^2 + 4828^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23916425 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23916391 and 23916400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36470 + ... + 37119.

It is an arithmetic number, because the mean of its divisors is an integer number (2661505).

Almost surely, 2^23916425 is an apocalyptic number.

23916425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23916425 is a deficient number, since it is larger than the sum of its proper divisors (8021635).

23916425 is a wasteful number, since it uses less digits than its factorization.

23916425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73612 (or 73607 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 23916425 is about 4890.4422090441. The cubic root of 23916425 is about 288.1147024143.

The spelling of 23916425 in words is "twenty-three million, nine hundred sixteen thousand, four hundred twenty-five".