23399025 has 48 divisors (see below), whose sum is σ = 42247296. Its totient is φ = 11358720.

The previous prime is 23399011. The next prime is 23399029. The reversal of 23399025 is 52099332.

It is not a de Polignac number, because 23399025 - 2⁵ = 23398993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23399029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100309 + ... + 100541.

It is an arithmetic number, because the mean of its divisors is an integer number (880152).

Almost surely, 2^23399025 is an apocalyptic number.

23399025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23399025 is a deficient number, since it is larger than the sum of its proper divisors (18848271).

23399025 is a wasteful number, since it uses less digits than its factorization.

23399025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 23399025 is about 4837.2538697075. The cubic root of 23399025 is about 286.0218779619.

The spelling of 23399025 in words is "twenty-three million, three hundred ninety-nine thousand, twenty-five".