189342183 has 4 divisors (see below), whose sum is σ = 252456248. Its totient is φ = 126228120.

The previous prime is 189342169. The next prime is 189342199. The reversal of 189342183 is 381243981.

189342183 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 an emirpimes, since its reverse is a distinct semiprime: 381243981 = 3 ⋅127081327.

It is not a de Polignac number, because 189342183 - 2⁸ = 189341927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189342113) 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, 31557028 + ... + 31557033.

It is an arithmetic number, because the mean of its divisors is an integer number (63114062).

Almost surely, 2^189342183 is an apocalyptic number.

189342183 is a deficient number, since it is larger than the sum of its proper divisors (63114065).

189342183 is an equidigital number, since it uses as much as digits as its factorization.

189342183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63114064.

The product of its digits is 41472, while the sum is 39.

The square root of 189342183 is about 13760.1665324225. The cubic root of 189342183 is about 574.2254807021.

The spelling of 189342183 in words is "one hundred eighty-nine million, three hundred forty-two thousand, one hundred eighty-three".