23964588025 has 27 divisors (see below), whose sum is σ = 34575512751. Its totient is φ = 16429145040.

The previous prime is 23964588013. The next prime is 23964588041. The reversal of 23964588025 is 52088546932.

The square root of 23964588025 is 154805.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8627251689 + 15337336336 = 92883^2 + 123844^2 .

It is not a de Polignac number, because 23964588025 - 2⁹ = 23964587513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5415964 + ... + 5420386.

Almost surely, 2^23964588025 is an apocalyptic number.

23964588025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23964588025 is the 154805-th square number.

23964588025 is the 77403-rd centered octagonal number.

It is an amenable number.

23964588025 is a deficient number, since it is larger than the sum of its proper divisors (10610924726).

23964588025 is an frugal number, since it uses more digits than its factorization.

23964588025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 23964588025 in words is "twenty-three billion, nine hundred sixty-four million, five hundred eighty-eight thousand, twenty-five".