230581992691 has 2 divisors, whose sum is σ = 230581992692. Its totient is φ = 230581992690.

The previous prime is 230581992671. The next prime is 230581992721. The reversal of 230581992691 is 196299185032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230581992691 - 2²³ = 230573604083 is a prime.

It is not a weakly prime, because it can be changed into another prime (230581992671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115290996345 + 115290996346.

It is an arithmetic number, because the mean of its divisors is an integer number (115290996346).

Almost surely, 2^230581992691 is an apocalyptic number.

230581992691 is a deficient number, since it is larger than the sum of its proper divisors (1).

230581992691 is an equidigital number, since it uses as much as digits as its factorization.

230581992691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 55.

The spelling of 230581992691 in words is "two hundred thirty billion, five hundred eighty-one million, nine hundred ninety-two thousand, six hundred ninety-one".