23268889 has 4 divisors (see below), whose sum is σ = 26593024. Its totient is φ = 19944756.

The previous prime is 23268887. The next prime is 23268907. The reversal of 23268889 is 98886232.

It is a happy number.

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 23268889 - 2¹ = 23268887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23268881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662057 + ... + 1662070.

It is an arithmetic number, because the mean of its divisors is an integer number (6648256).

Almost surely, 2^23268889 is an apocalyptic number.

It is an amenable number.

23268889 is a deficient number, since it is larger than the sum of its proper divisors (3324135).

23268889 is an equidigital number, since it uses as much as digits as its factorization.

23268889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324134.

The product of its digits is 331776, while the sum is 46.

The square root of 23268889 is about 4823.7836808879. The cubic root of 23268889 is about 285.4906455530.

The spelling of 23268889 in words is "twenty-three million, two hundred sixty-eight thousand, eight hundred eighty-nine".