189223365 has 32 divisors (see below), whose sum is σ = 312122880. Its totient is φ = 97818624.

The previous prime is 189223361. The next prime is 189223381. The reversal of 189223365 is 563322981.

189223365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189223365 - 2² = 189223361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189223361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203221 + ... + 204149.

It is an arithmetic number, because the mean of its divisors is an integer number (9753840).

Almost surely, 2^189223365 is an apocalyptic number.

189223365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189223365 is a deficient number, since it is larger than the sum of its proper divisors (122899515).

189223365 is a wasteful number, since it uses less digits than its factorization.

189223365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341.

The product of its digits is 77760, while the sum is 39.

The square root of 189223365 is about 13755.8483925929. The cubic root of 189223365 is about 574.1053408951.

The spelling of 189223365 in words is "one hundred eighty-nine million, two hundred twenty-three thousand, three hundred sixty-five".