23875609 has 4 divisors (see below), whose sum is σ = 25132240. Its totient is φ = 22618980.

The previous prime is 23875603. The next prime is 23875627. The reversal of 23875609 is 90657832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23875609 - 2³ = 23875601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23875601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628287 + ... + 628324.

It is an arithmetic number, because the mean of its divisors is an integer number (6283060).

Almost surely, 2^23875609 is an apocalyptic number.

It is an amenable number.

23875609 is a deficient number, since it is larger than the sum of its proper divisors (1256631).

23875609 is a wasteful number, since it uses less digits than its factorization.

23875609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256630.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 23875609 is about 4886.2673893269. The cubic root of 23875609 is about 287.9507093178.

The spelling of 23875609 in words is "twenty-three million, eight hundred seventy-five thousand, six hundred nine".