230605643 has 2 divisors, whose sum is σ = 230605644. Its totient is φ = 230605642.

The previous prime is 230605591. The next prime is 230605673. The reversal of 230605643 is 346506032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230605643 - 2²⁶ = 163496779 is a prime.

It is not a weakly prime, because it can be changed into another prime (230605673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115302821 + 115302822.

It is an arithmetic number, because the mean of its divisors is an integer number (115302822).

Almost surely, 2^230605643 is an apocalyptic number.

230605643 is a deficient number, since it is larger than the sum of its proper divisors (1).

230605643 is an equidigital number, since it uses as much as digits as its factorization.

230605643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 230605643 is about 15185.7052190539. The cubic root of 230605643 is about 613.2298830786.

The spelling of 230605643 in words is "two hundred thirty million, six hundred five thousand, six hundred forty-three".