23997725 has 12 divisors (see below), whose sum is σ = 30203424. Its totient is φ = 18910320.

The previous prime is 23997709. The next prime is 23997731. The reversal of 23997725 is 52779932.

It is a happy number.

It is not a de Polignac number, because 23997725 - 2⁴ = 23997709 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 5489 + ... + 8838.

It is an arithmetic number, because the mean of its divisors is an integer number (2516952).

Almost surely, 2^23997725 is an apocalyptic number.

23997725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23997725 is a deficient number, since it is larger than the sum of its proper divisors (6205699).

23997725 is a wasteful number, since it uses less digits than its factorization.

23997725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14404 (or 14399 counting only the distinct ones).

The product of its digits is 238140, while the sum is 44.

The square root of 23997725 is about 4898.7472888484. The cubic root of 23997725 is about 288.4407995574.

The spelling of 23997725 in words is "twenty-three million, nine hundred ninety-seven thousand, seven hundred twenty-five".