230503543 has 2 divisors, whose sum is σ = 230503544. Its totient is φ = 230503542.

The previous prime is 230503487. The next prime is 230503547. The reversal of 230503543 is 345305032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230503543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230503547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115251771 + 115251772.

It is an arithmetic number, because the mean of its divisors is an integer number (115251772).

Almost surely, 2^230503543 is an apocalyptic number.

230503543 is a deficient number, since it is larger than the sum of its proper divisors (1).

230503543 is an equidigital number, since it uses as much as digits as its factorization.

230503543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 230503543 is about 15182.3431327315. The cubic root of 230503543 is about 613.1393677833.

Adding to 230503543 its reverse (345305032), we get a palindrome (575808575).

The spelling of 230503543 in words is "two hundred thirty million, five hundred three thousand, five hundred forty-three".