23875989 has 16 divisors (see below), whose sum is σ = 34418880. Its totient is φ = 14670720.

The previous prime is 23875987. The next prime is 23875991. The reversal of 23875989 is 98957832.

It is an interprime number because it is at equal distance from previous prime (23875987) and next prime (23875991).

It is not a de Polignac number, because 23875989 - 2¹ = 23875987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23875987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3552 + ... + 7769.

It is an arithmetic number, because the mean of its divisors is an integer number (2151180).

Almost surely, 2^23875989 is an apocalyptic number.

It is an amenable number.

23875989 is a deficient number, since it is larger than the sum of its proper divisors (10542891).

23875989 is a wasteful number, since it uses less digits than its factorization.

23875989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11380.

The product of its digits is 1088640, while the sum is 51.

The square root of 23875989 is about 4886.3062736591. The cubic root of 23875989 is about 287.9522369673.

The spelling of 23875989 in words is "twenty-three million, eight hundred seventy-five thousand, nine hundred eighty-nine".