23118489 has 12 divisors (see below), whose sum is σ = 33523776. Its totient is φ = 15352152.

The previous prime is 23118463. The next prime is 23118499. The reversal of 23118489 is 98481132.

It is not a de Polignac number, because 23118489 - 2⁵ = 23118457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23118499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2517 + ... + 7250.

It is an arithmetic number, because the mean of its divisors is an integer number (2793648).

Almost surely, 2^23118489 is an apocalyptic number.

It is an amenable number.

23118489 is a deficient number, since it is larger than the sum of its proper divisors (10405287).

23118489 is a wasteful number, since it uses less digits than its factorization.

23118489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10036 (or 10033 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 23118489 is about 4808.1689862150. The cubic root of 23118489 is about 284.8742196585.

The spelling of 23118489 in words is "twenty-three million, one hundred eighteen thousand, four hundred eighty-nine".