230331223987 has 2 divisors, whose sum is σ = 230331223988. Its totient is φ = 230331223986.

The previous prime is 230331223979. The next prime is 230331224023. The reversal of 230331223987 is 789322133032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230331223987 - 2³ = 230331223979 is a prime.

It is not a weakly prime, because it can be changed into another prime (230331223387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115165611993 + 115165611994.

It is an arithmetic number, because the mean of its divisors is an integer number (115165611994).

Almost surely, 2^230331223987 is an apocalyptic number.

230331223987 is a deficient number, since it is larger than the sum of its proper divisors (1).

230331223987 is an equidigital number, since it uses as much as digits as its factorization.

230331223987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 230331223987 in words is "two hundred thirty billion, three hundred thirty-one million, two hundred twenty-three thousand, nine hundred eighty-seven".