190235233 has 2 divisors, whose sum is σ = 190235234. Its totient is φ = 190235232.

The previous prime is 190235197. The next prime is 190235237. The reversal of 190235233 is 332532091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114318864 + 75916369 = 10692^2 + 8713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190235233 is a prime.

It is not a weakly prime, because it can be changed into another prime (190235237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95117616 + 95117617.

It is an arithmetic number, because the mean of its divisors is an integer number (95117617).

Almost surely, 2^190235233 is an apocalyptic number.

It is an amenable number.

190235233 is a deficient number, since it is larger than the sum of its proper divisors (1).

190235233 is an equidigital number, since it uses as much as digits as its factorization.

190235233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 190235233 is about 13792.5789104141. The cubic root of 190235233 is about 575.1268609818.

The spelling of 190235233 in words is "one hundred ninety million, two hundred thirty-five thousand, two hundred thirty-three".