230457443 has 2 divisors, whose sum is σ = 230457444. Its totient is φ = 230457442.

The previous prime is 230457439. The next prime is 230457467. The reversal of 230457443 is 344754032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230457443 - 2² = 230457439 is a prime.

It is a super-2 number, since 2×230457443² = 106221266068196498, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (230457043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115228721 + 115228722.

It is an arithmetic number, because the mean of its divisors is an integer number (115228722).

Almost surely, 2^230457443 is an apocalyptic number.

230457443 is a deficient number, since it is larger than the sum of its proper divisors (1).

230457443 is an equidigital number, since it uses as much as digits as its factorization.

230457443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 230457443 is about 15180.8248458376. The cubic root of 230457443 is about 613.0984897285.

The spelling of 230457443 in words is "two hundred thirty million, four hundred fifty-seven thousand, four hundred forty-three".