232321319987 has 2 divisors, whose sum is σ = 232321319988. Its totient is φ = 232321319986.

The previous prime is 232321319869. The next prime is 232321320041. The reversal of 232321319987 is 789913123232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232321319987 is a prime.

It is not a weakly prime, because it can be changed into another prime (232321319387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116160659993 + 116160659994.

It is an arithmetic number, because the mean of its divisors is an integer number (116160659994).

Almost surely, 2^232321319987 is an apocalyptic number.

232321319987 is a deficient number, since it is larger than the sum of its proper divisors (1).

232321319987 is an equidigital number, since it uses as much as digits as its factorization.

232321319987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The spelling of 232321319987 in words is "two hundred thirty-two billion, three hundred twenty-one million, three hundred nineteen thousand, nine hundred eighty-seven".