23132289 has 16 divisors (see below), whose sum is σ = 31834880. Its totient is φ = 14929920.

The previous prime is 23132287. The next prime is 23132303. The reversal of 23132289 is 98223132.

It is a happy number.

It is not a de Polignac number, because 23132289 - 2¹ = 23132287 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23132281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29697 + ... + 30465.

It is an arithmetic number, because the mean of its divisors is an integer number (1989680).

Almost surely, 2^23132289 is an apocalyptic number.

It is an amenable number.

23132289 is a deficient number, since it is larger than the sum of its proper divisors (8702591).

23132289 is a wasteful number, since it uses less digits than its factorization.

23132289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its digits is 5184, while the sum is 30.

The square root of 23132289 is about 4809.6038298388. The cubic root of 23132289 is about 284.9308912151.

The spelling of 23132289 in words is "twenty-three million, one hundred thirty-two thousand, two hundred eighty-nine".