530321231543 has 4 divisors (see below), whose sum is σ = 530355200760. Its totient is φ = 530287262328.

The previous prime is 530321231521. The next prime is 530321231581. The reversal of 530321231543 is 345132123035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 530321231543 - 2²⁴ = 530304454327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530321231443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16961180 + ... + 16992417.

It is an arithmetic number, because the mean of its divisors is an integer number (132588800190).

Almost surely, 2^530321231543 is an apocalyptic number.

530321231543 is a deficient number, since it is larger than the sum of its proper divisors (33969217).

530321231543 is a wasteful number, since it uses less digits than its factorization.

530321231543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33969216.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 530321231543 its reverse (345132123035), we get a palindrome (875453354578).

The spelling of 530321231543 in words is "five hundred thirty billion, three hundred twenty-one million, two hundred thirty-one thousand, five hundred forty-three".