232243321 has 2 divisors, whose sum is σ = 232243322. Its totient is φ = 232243320.

The previous prime is 232243261. The next prime is 232243337. The reversal of 232243321 is 123342232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230705721 + 1537600 = 15189^2 + 1240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232243321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232243292 and 232243301.

It is not a weakly prime, because it can be changed into another prime (232243381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116121660 + 116121661.

It is an arithmetic number, because the mean of its divisors is an integer number (116121661).

Almost surely, 2^232243321 is an apocalyptic number.

It is an amenable number.

232243321 is a deficient number, since it is larger than the sum of its proper divisors (1).

232243321 is an equidigital number, since it uses as much as digits as its factorization.

232243321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 22.

The square root of 232243321 is about 15239.5315216709. The cubic root of 232243321 is about 614.6781059442.

Adding to 232243321 its reverse (123342232), we get a palindrome (355585553).

The spelling of 232243321 in words is "two hundred thirty-two million, two hundred forty-three thousand, three hundred twenty-one".