232303312231 has 2 divisors, whose sum is σ = 232303312232. Its totient is φ = 232303312230.

The previous prime is 232303312229. The next prime is 232303312259. The reversal of 232303312231 is 132213303232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232303312231 - 2¹ = 232303312229 is a prime.

It is a super-2 number, since 2×232303312231² (a number of 24 digits) contains 22 as substring.

Together with 232303312229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 232303312196 and 232303312205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232303312331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116151656115 + 116151656116.

It is an arithmetic number, because the mean of its divisors is an integer number (116151656116).

Almost surely, 2^232303312231 is an apocalyptic number.

232303312231 is a deficient number, since it is larger than the sum of its proper divisors (1).

232303312231 is an equidigital number, since it uses as much as digits as its factorization.

232303312231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 232303312231 its reverse (132213303232), we get a palindrome (364516615463).

The spelling of 232303312231 in words is "two hundred thirty-two billion, three hundred three million, three hundred twelve thousand, two hundred thirty-one".