189095023 has 4 divisors (see below), whose sum is σ = 203640808. Its totient is φ = 174549240.

The previous prime is 189095021. The next prime is 189095057. The reversal of 189095023 is 320590981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320590981 = 17 ⋅18858293.

It is a cyclic number.

It is not a de Polignac number, because 189095023 - 2¹ = 189095021 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 (189095021) 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, 7272873 + ... + 7272898.

It is an arithmetic number, because the mean of its divisors is an integer number (50910202).

Almost surely, 2^189095023 is an apocalyptic number.

189095023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

189095023 is a deficient number, since it is larger than the sum of its proper divisors (14545785).

189095023 is a wasteful number, since it uses less digits than its factorization.

189095023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14545784.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 189095023 is about 13751.1826036890. The cubic root of 189095023 is about 573.9755146228.

It can be divided in two parts, 18909 and 5023, that added together give a palindrome (23932).

The spelling of 189095023 in words is "one hundred eighty-nine million, ninety-five thousand, twenty-three".