230581992643 has 2 divisors, whose sum is σ = 230581992644. Its totient is φ = 230581992642.

The previous prime is 230581992617. The next prime is 230581992671. The reversal of 230581992643 is 346299185032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230581992643 - 2⁹ = 230581992131 is a prime.

It is a super-2 number, since 2×230581992643² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230584992643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115290996321 + 115290996322.

It is an arithmetic number, because the mean of its divisors is an integer number (115290996322).

Almost surely, 2^230581992643 is an apocalyptic number.

230581992643 is a deficient number, since it is larger than the sum of its proper divisors (1).

230581992643 is an equidigital number, since it uses as much as digits as its factorization.

230581992643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 230581992643 in words is "two hundred thirty billion, five hundred eighty-one million, nine hundred ninety-two thousand, six hundred forty-three".