23239425 has 48 divisors (see below), whose sum is σ = 44407872. Its totient is φ = 10598400.

The previous prime is 23239423. The next prime is 23239427. The reversal of 23239425 is 52493232.

It is an interprime number because it is at equal distance from previous prime (23239423) and next prime (23239427).

It is not a de Polignac number, because 23239425 - 2¹ = 23239423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23239392 and 23239401.

It is not an unprimeable number, because it can be changed into a prime (23239421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13197 + ... + 14853.

It is an arithmetic number, because the mean of its divisors is an integer number (925164).

Almost surely, 2^23239425 is an apocalyptic number.

23239425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23239425 is a deficient number, since it is larger than the sum of its proper divisors (21168447).

23239425 is a wasteful number, since it uses less digits than its factorization.

23239425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698 (or 1693 counting only the distinct ones).

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

The square root of 23239425 is about 4820.7286793596. The cubic root of 23239425 is about 285.3700947567.

The spelling of 23239425 in words is "twenty-three million, two hundred thirty-nine thousand, four hundred twenty-five".