230321321231 has 2 divisors, whose sum is σ = 230321321232. Its totient is φ = 230321321230.

The previous prime is 230321321203. The next prime is 230321321233. The reversal of 230321321231 is 132123123032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230321321231 is a prime.

It is a super-2 number, since 2×230321321231² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 230321321233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 230321321197 and 230321321206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230321321233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115160660615 + 115160660616.

It is an arithmetic number, because the mean of its divisors is an integer number (115160660616).

Almost surely, 2^230321321231 is an apocalyptic number.

230321321231 is a deficient number, since it is larger than the sum of its proper divisors (1).

230321321231 is an equidigital number, since it uses as much as digits as its factorization.

230321321231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 230321321231 its reverse (132123123032), we get a palindrome (362444444263).

The spelling of 230321321231 in words is "two hundred thirty billion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred thirty-one".