230936999149691 has 2 divisors, whose sum is σ = 230936999149692. Its totient is φ = 230936999149690.

The previous prime is 230936999149613. The next prime is 230936999149721. The reversal of 230936999149691 is 196941999639032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230936999149691 - 2⁴² = 226538952638587 is a prime.

It is not a weakly prime, because it can be changed into another prime (230936999146691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115468499574845 + 115468499574846.

It is an arithmetic number, because the mean of its divisors is an integer number (115468499574846).

Almost surely, 2^{230936999149691} is an apocalyptic number.

230936999149691 is a deficient number, since it is larger than the sum of its proper divisors (1).

230936999149691 is an equidigital number, since it uses as much as digits as its factorization.

230936999149691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1377495072, while the sum is 80.

The spelling of 230936999149691 in words is "two hundred thirty trillion, nine hundred thirty-six billion, nine hundred ninety-nine million, one hundred forty-nine thousand, six hundred ninety-one".