231322323190433 has 2 divisors, whose sum is σ = 231322323190434. Its totient is φ = 231322323190432.

The previous prime is 231322323190417. The next prime is 231322323190459. The reversal of 231322323190433 is 334091323223132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130385499310609 + 100936823879824 = 11418647^2 + 10046732^2 .

It is a cyclic number.

It is not a de Polignac number, because 231322323190433 - 2⁴ = 231322323190417 is a prime.

It is not a weakly prime, because it can be changed into another prime (231322323190733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115661161595216 + 115661161595217.

It is an arithmetic number, because the mean of its divisors is an integer number (115661161595217).

Almost surely, 2^{231322323190433} is an apocalyptic number.

It is an amenable number.

231322323190433 is a deficient number, since it is larger than the sum of its proper divisors (1).

231322323190433 is an equidigital number, since it uses as much as digits as its factorization.

231322323190433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 41.

The spelling of 231322323190433 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, three hundred twenty-three million, one hundred ninety thousand, four hundred thirty-three".