23255889 has 4 divisors (see below), whose sum is σ = 31007856. Its totient is φ = 15503924.

The previous prime is 23255879. The next prime is 23255893. The reversal of 23255889 is 98855232.

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 23255889 - 2¹⁶ = 23190353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23255889.

It is not an unprimeable number, because it can be changed into a prime (23255809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3875979 + ... + 3875984.

It is an arithmetic number, because the mean of its divisors is an integer number (7751964).

Almost surely, 2^23255889 is an apocalyptic number.

It is an amenable number.

23255889 is a deficient number, since it is larger than the sum of its proper divisors (7751967).

23255889 is an equidigital number, since it uses as much as digits as its factorization.

23255889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7751966.

The product of its digits is 172800, while the sum is 42.

The square root of 23255889 is about 4822.4360026858. The cubic root of 23255889 is about 285.4374691168.

The spelling of 23255889 in words is "twenty-three million, two hundred fifty-five thousand, eight hundred eighty-nine".