189017233 has 4 divisors (see below), whose sum is σ = 189085248. Its totient is φ = 188949220.

The previous prime is 189017209. The next prime is 189017249. The reversal of 189017233 is 332710981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 189017233 - 2⁹ = 189016721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189011233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29653 + ... + 35458.

It is an arithmetic number, because the mean of its divisors is an integer number (47271312).

Almost surely, 2^189017233 is an apocalyptic number.

It is an amenable number.

189017233 is a deficient number, since it is larger than the sum of its proper divisors (68015).

189017233 is an equidigital number, since it uses as much as digits as its factorization.

189017233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68014.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 189017233 is about 13748.3538287316. The cubic root of 189017233 is about 573.8967963879.

The spelling of 189017233 in words is "one hundred eighty-nine million, seventeen thousand, two hundred thirty-three".