23328189 has 8 divisors (see below), whose sum is σ = 34560320. Its totient is φ = 15552108.

The previous prime is 23328113. The next prime is 23328197. The reversal of 23328189 is 98182332.

It is a happy number.

It is not a de Polignac number, because 23328189 - 2⁷ = 23328061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23328689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431977 + ... + 432030.

It is an arithmetic number, because the mean of its divisors is an integer number (4320040).

Almost surely, 2^23328189 is an apocalyptic number.

It is an amenable number.

23328189 is a deficient number, since it is larger than the sum of its proper divisors (11232131).

23328189 is an equidigital number, since it uses as much as digits as its factorization.

23328189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864016 (or 864010 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 23328189 is about 4829.9263969547. The cubic root of 23328189 is about 285.7329610055.

The spelling of 23328189 in words is "twenty-three million, three hundred twenty-eight thousand, one hundred eighty-nine".