189323 has 4 divisors (see below), whose sum is σ = 191688. Its totient is φ = 186960.

The previous prime is 189311. The next prime is 189337. The reversal of 189323 is 323981.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 189323 - 2⁴ = 189307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189292 and 189301.

It is not an unprimeable number, because it can be changed into a prime (189353) 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, 1058 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (47922).

2¹⁸⁹³²³ is an apocalyptic number.

189323 is a deficient number, since it is larger than the sum of its proper divisors (2365).

189323 is an equidigital number, since it uses as much as digits as its factorization.

189323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364.

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

The square root of 189323 is about 435.1126290973. The cubic root of 189323 is about 57.4206087701.

It can be divided in two parts, 189 and 323, that added together give a 9-th power (512 = 2⁹).

The spelling of 189323 in words is "one hundred eighty-nine thousand, three hundred twenty-three".