23709375 has 48 divisors (see below), whose sum is σ = 44059680. Its totient is φ = 12600000.

The previous prime is 23709349. The next prime is 23709379. The reversal of 23709375 is 57390732.

It is a happy number.

It is not a de Polignac number, because 23709375 - 2⁷ = 23709247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23709379) 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, 84235 + ... + 84515.

It is an arithmetic number, because the mean of its divisors is an integer number (917910).

Almost surely, 2^23709375 is an apocalyptic number.

23709375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23709375 is a deficient number, since it is larger than the sum of its proper divisors (20350305).

23709375 is an frugal number, since it uses more digits than its factorization.

23709375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 23709375 is about 4869.2273514388. The cubic root of 23709375 is about 287.2808664143.

The spelling of 23709375 in words is "twenty-three million, seven hundred nine thousand, three hundred seventy-five".