23133189 has 12 divisors (see below), whose sum is σ = 31294176. Its totient is φ = 15200352.

The previous prime is 23133167. The next prime is 23133191. The reversal of 23133189 is 98133132.

It is not a de Polignac number, because 23133189 - 2⁸ = 23132933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133109) 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 11 ways as a sum of consecutive naturals, for example, 15264 + ... + 16710.

It is an arithmetic number, because the mean of its divisors is an integer number (2607848).

Almost surely, 2^23133189 is an apocalyptic number.

It is an amenable number.

23133189 is a deficient number, since it is larger than the sum of its proper divisors (8160987).

23133189 is an equidigital number, since it uses as much as digits as its factorization.

23133189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1523 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 23133189 is about 4809.6973917285. The cubic root of 23133189 is about 284.9345864031.

The spelling of 23133189 in words is "twenty-three million, one hundred thirty-three thousand, one hundred eighty-nine".