23456725 has 12 divisors (see below), whose sum is σ = 29487076. Its totient is φ = 18506880.

The previous prime is 23456723. The next prime is 23456743. The reversal of 23456725 is 52765432.

It can be written as a sum of positive squares in 6 ways, for example, as 1347921 + 22108804 = 1161^2 + 4702^2 .

It is not a de Polignac number, because 23456725 - 2¹ = 23456723 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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 not an unprimeable number, because it can be changed into a prime (23456723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4602 + ... + 8251.

Almost surely, 2^23456725 is an apocalyptic number.

23456725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23456725 is a deficient number, since it is larger than the sum of its proper divisors (6030351).

23456725 is a wasteful number, since it uses less digits than its factorization.

23456725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12936 (or 12931 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 23456725 is about 4843.2143252183. The cubic root of 23456725 is about 286.2567868315.

The spelling of 23456725 in words is "twenty-three million, four hundred fifty-six thousand, seven hundred twenty-five".