230021433 has 12 divisors (see below), whose sum is σ = 332432100. Its totient is φ = 153265056.

The previous prime is 230021419. The next prime is 230021437. The reversal of 230021433 is 334120032.

230021433 is a `hidden beast` number, since 230 + 0 + 2 + 1 + 433 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 225810729 + 4210704 = 15027^2 + 2052^2 .

It is not a de Polignac number, because 230021433 - 2⁵ = 230021401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230021437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14143 + ... + 25691.

It is an arithmetic number, because the mean of its divisors is an integer number (27702675).

Almost surely, 2^230021433 is an apocalyptic number.

It is an amenable number.

230021433 is a deficient number, since it is larger than the sum of its proper divisors (102410667).

230021433 is a wasteful number, since it uses less digits than its factorization.

230021433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13768 (or 13765 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 230021433 is about 15166.4574967261. The cubic root of 230021433 is about 612.7115985836.

Adding to 230021433 its reverse (334120032), we get a palindrome (564141465).

The spelling of 230021433 in words is "two hundred thirty million, twenty-one thousand, four hundred thirty-three".