230220433 has 2 divisors, whose sum is σ = 230220434. Its totient is φ = 230220432.

The previous prime is 230220421. The next prime is 230220461. The reversal of 230220433 is 334022032.

230220433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203718529 + 26501904 = 14273^2 + 5148^2 .

It is a cyclic number.

It is not a de Polignac number, because 230220433 - 2²¹ = 228123281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230220433.

It is not a weakly prime, because it can be changed into another prime (230220233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115110216 + 115110217.

It is an arithmetic number, because the mean of its divisors is an integer number (115110217).

Almost surely, 2^230220433 is an apocalyptic number.

It is an amenable number.

230220433 is a deficient number, since it is larger than the sum of its proper divisors (1).

230220433 is an equidigital number, since it uses as much as digits as its factorization.

230220433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 230220433 is about 15173.0166084401. The cubic root of 230220433 is about 612.8882407650. Note that the first 3 decimals are identical.

Adding to 230220433 its reverse (334022032), we get a palindrome (564242465).

The spelling of 230220433 in words is "two hundred thirty million, two hundred twenty thousand, four hundred thirty-three".