23113889 has 4 divisors (see below), whose sum is σ = 23255856. Its totient is φ = 22971924.

The previous prime is 23113847. The next prime is 23113901. The reversal of 23113889 is 98831132.

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 23113889 - 2²⁰ = 22065313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23113289) 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, 70739 + ... + 71064.

It is an arithmetic number, because the mean of its divisors is an integer number (5813964).

Almost surely, 2^23113889 is an apocalyptic number.

It is an amenable number.

23113889 is a deficient number, since it is larger than the sum of its proper divisors (141967).

23113889 is a wasteful number, since it uses less digits than its factorization.

23113889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141966.

The product of its digits is 10368, while the sum is 35.

The square root of 23113889 is about 4807.6906098459. The cubic root of 23113889 is about 284.8553241282.

The spelling of 23113889 in words is "twenty-three million, one hundred thirteen thousand, eight hundred eighty-nine".