189233 has 4 divisors (see below), whose sum is σ = 206448. Its totient is φ = 172020.

The previous prime is 189229. The next prime is 189239. The reversal of 189233 is 332981.

189233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332981 = 11 ⋅30271.

It is a cyclic number.

It is not a de Polignac number, because 189233 - 2² = 189229 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8591 + ... + 8612.

It is an arithmetic number, because the mean of its divisors is an integer number (51612).

2¹⁸⁹²³³ is an apocalyptic number.

It is an amenable number.

189233 is a deficient number, since it is larger than the sum of its proper divisors (17215).

189233 is a wasteful number, since it uses less digits than its factorization.

189233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17214.

The product of its digits is 1296, while the sum is 26.

The square root of 189233 is about 435.0091953051. The cubic root of 189233 is about 57.4115084954.

The spelling of 189233 in words is "one hundred eighty-nine thousand, two hundred thirty-three".