230455543 has 2 divisors, whose sum is σ = 230455544. Its totient is φ = 230455542.

The previous prime is 230455529. The next prime is 230455571. The reversal of 230455543 is 345554032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230455543 - 2²¹ = 228358391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230455583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115227771 + 115227772.

It is an arithmetic number, because the mean of its divisors is an integer number (115227772).

Almost surely, 2^230455543 is an apocalyptic number.

230455543 is a deficient number, since it is larger than the sum of its proper divisors (1).

230455543 is an equidigital number, since it uses as much as digits as its factorization.

230455543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 230455543 is about 15180.7622667638. The cubic root of 230455543 is about 613.0968048327.

The spelling of 230455543 in words is "two hundred thirty million, four hundred fifty-five thousand, five hundred forty-three".