189834233 has 2 divisors, whose sum is σ = 189834234. Its totient is φ = 189834232.

The previous prime is 189834217. The next prime is 189834289. The reversal of 189834233 is 332438981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109767529 + 80066704 = 10477^2 + 8948^2 .

It is a cyclic number.

It is not a de Polignac number, because 189834233 - 2⁴ = 189834217 is a prime.

It is not a weakly prime, because it can be changed into another prime (189834133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94917116 + 94917117.

It is an arithmetic number, because the mean of its divisors is an integer number (94917117).

Almost surely, 2^189834233 is an apocalyptic number.

It is an amenable number.

189834233 is a deficient number, since it is larger than the sum of its proper divisors (1).

189834233 is an equidigital number, since it uses as much as digits as its factorization.

189834233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 189834233 is about 13778.0344389176. The cubic root of 189834233 is about 574.7224702277.

The spelling of 189834233 in words is "one hundred eighty-nine million, eight hundred thirty-four thousand, two hundred thirty-three".