23289 has 8 divisors (see below), whose sum is σ = 35520. Its totient is φ = 13296.

The previous prime is 23279. The next prime is 23291. The reversal of 23289 is 98232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23289 - 2⁹ = 22777 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (23209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534 + ... + 575.

It is an arithmetic number, because the mean of its divisors is an integer number (4440).

2²³²⁸⁹ is an apocalyptic number.

It is an amenable number.

23289 is a deficient number, since it is larger than the sum of its proper divisors (12231).

23289 is a wasteful number, since it uses less digits than its factorization.

23289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119.

The product of its digits is 864, while the sum is 24.

The square root of 23289 is about 152.6073392731. The cubic root of 23289 is about 28.5572870494.

The spelling of 23289 in words is "twenty-three thousand, two hundred eighty-nine".