23319189 has 24 divisors (see below), whose sum is σ = 35911512. Its totient is φ = 14530560.

The previous prime is 23319187. The next prime is 23319203. The reversal of 23319189 is 98191332.

It can be written as a sum of positive squares in 4 ways, for example, as 7518564 + 15800625 = 2742^2 + 3975^2 .

It is not a de Polignac number, because 23319189 - 2¹ = 23319187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23319187) 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 23 ways as a sum of consecutive naturals, for example, 26029 + ... + 26909.

It is an arithmetic number, because the mean of its divisors is an integer number (1496313).

Almost surely, 2^23319189 is an apocalyptic number.

It is an amenable number.

23319189 is a deficient number, since it is larger than the sum of its proper divisors (12592323).

23319189 is a wasteful number, since it uses less digits than its factorization.

23319189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1074 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 23319189 is about 4828.9946158595. The cubic root of 23319189 is about 285.6962110828.

The spelling of 23319189 in words is "twenty-three million, three hundred nineteen thousand, one hundred eighty-nine".