189147023 has 8 divisors (see below), whose sum is σ = 203819616. Its totient is φ = 174492000.

The previous prime is 189147017. The next prime is 189147047. The reversal of 189147023 is 320741981.

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

It is a cyclic number.

It is not a de Polignac number, because 189147023 - 2⁶ = 189146959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189147073) 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, 25598 + ... + 32148.

It is an arithmetic number, because the mean of its divisors is an integer number (25477452).

Almost surely, 2^189147023 is an apocalyptic number.

189147023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

189147023 is a deficient number, since it is larger than the sum of its proper divisors (14672593).

189147023 is a wasteful number, since it uses less digits than its factorization.

189147023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 189147023 is about 13753.0732201934. The cubic root of 189147023 is about 574.0281230783.

The spelling of 189147023 in words is "one hundred eighty-nine million, one hundred forty-seven thousand, twenty-three".