232321013 has 2 divisors, whose sum is σ = 232321014. Its totient is φ = 232321012.

The previous prime is 232321007. The next prime is 232321021. The reversal of 232321013 is 310123232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227919409 + 4401604 = 15097^2 + 2098^2 .

It is a cyclic number.

It is not a de Polignac number, because 232321013 - 2¹⁴ = 232304629 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 232320982 and 232321000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232321003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116160506 + 116160507.

It is an arithmetic number, because the mean of its divisors is an integer number (116160507).

Almost surely, 2^232321013 is an apocalyptic number.

It is an amenable number.

232321013 is a deficient number, since it is larger than the sum of its proper divisors (1).

232321013 is an equidigital number, since it uses as much as digits as its factorization.

232321013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 232321013 is about 15242.0803370144. The cubic root of 232321013 is about 614.7466407421.

Adding to 232321013 its reverse (310123232), we get a palindrome (542444245).

The spelling of 232321013 in words is "two hundred thirty-two million, three hundred twenty-one thousand, thirteen".