23634925 has 6 divisors (see below), whose sum is σ = 29307338. Its totient is φ = 18907920.

The previous prime is 23634887. The next prime is 23634953. The reversal of 23634925 is 52943632.

It can be written as a sum of positive squares in 3 ways, for example, as 412164 + 23222761 = 642^2 + 4819^2 .

It is not a de Polignac number, because 23634925 - 2¹¹ = 23632877 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 472674 + ... + 472723.

Almost surely, 2^23634925 is an apocalyptic number.

23634925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23634925 is a deficient number, since it is larger than the sum of its proper divisors (5672413).

23634925 is an equidigital number, since it uses as much as digits as its factorization.

23634925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945407 (or 945402 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 23634925 is about 4861.5763904314. The cubic root of 23634925 is about 286.9798534665.

The spelling of 23634925 in words is "twenty-three million, six hundred thirty-four thousand, nine hundred twenty-five".