230423213 has 2 divisors, whose sum is σ = 230423214. Its totient is φ = 230423212.

The previous prime is 230423201. The next prime is 230423231. The reversal of 230423213 is 312324032.

Together with next prime (230423231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230371684 + 51529 = 15178^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 230423213 - 2⁸ = 230422957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230423243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115211606 + 115211607.

It is an arithmetic number, because the mean of its divisors is an integer number (115211607).

Almost surely, 2^230423213 is an apocalyptic number.

It is an amenable number.

230423213 is a deficient number, since it is larger than the sum of its proper divisors (1).

230423213 is an equidigital number, since it uses as much as digits as its factorization.

230423213 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 20.

The square root of 230423213 is about 15179.6973948758. The cubic root of 230423213 is about 613.0681335809.

Adding to 230423213 its reverse (312324032), we get a palindrome (542747245).

The spelling of 230423213 in words is "two hundred thirty million, four hundred twenty-three thousand, two hundred thirteen".