23899425 has 48 divisors (see below), whose sum is σ = 43925760. Its totient is φ = 11368000.

The previous prime is 23899423. The next prime is 23899427. The reversal of 23899425 is 52499832.

It is an interprime number because it is at equal distance from previous prime (23899423) and next prime (23899427).

It is not a de Polignac number, because 23899425 - 2¹ = 23899423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23899423) 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, 48430 + ... + 48920.

It is an arithmetic number, because the mean of its divisors is an integer number (915120).

Almost surely, 2^23899425 is an apocalyptic number.

23899425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23899425 is a deficient number, since it is larger than the sum of its proper divisors (20026335).

23899425 is a wasteful number, since it uses less digits than its factorization.

23899425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 569 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 23899425 is about 4888.7038159414. The cubic root of 23899425 is about 288.0464214330.

The spelling of 23899425 in words is "twenty-three million, eight hundred ninety-nine thousand, four hundred twenty-five".