23106889 has 4 divisors (see below), whose sum is σ = 24884356. Its totient is φ = 21329424.

The previous prime is 23106883. The next prime is 23106901. The reversal of 23106889 is 98860132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1092025 + 22014864 = 1045^2 + 4692^2 .

It is a cyclic number.

It is not a de Polignac number, because 23106889 - 2⁵ = 23106857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23106883) 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, 888714 + ... + 888739.

It is an arithmetic number, because the mean of its divisors is an integer number (6221089).

Almost surely, 2^23106889 is an apocalyptic number.

It is an amenable number.

23106889 is a deficient number, since it is larger than the sum of its proper divisors (1777467).

23106889 is a wasteful number, since it uses less digits than its factorization.

23106889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777466.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 23106889 is about 4806.9625544620. The cubic root of 23106889 is about 284.8265652494.

The spelling of 23106889 in words is "twenty-three million, one hundred six thousand, eight hundred eighty-nine".