189072023 has 8 divisors (see below), whose sum is σ = 220680192. Its totient is φ = 158613336.

The previous prime is 189072019. The next prime is 189072031. The reversal of 189072023 is 320270981.

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

It is not a de Polignac number, because 189072023 - 2² = 189072019 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 (189072823) 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, 287015 + ... + 287672.

It is an arithmetic number, because the mean of its divisors is an integer number (27585024).

Almost surely, 2^189072023 is an apocalyptic number.

189072023 is a deficient number, since it is larger than the sum of its proper divisors (31608169).

189072023 is an equidigital number, since it uses as much as digits as its factorization.

189072023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574741.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 189072023 is about 13750.3462865486. The cubic root of 189072023 is about 573.9522424219.

The spelling of 189072023 in words is "one hundred eighty-nine million, seventy-two thousand, twenty-three".