543320323 has 32 divisors (see below), whose sum is σ = 712865664. Its totient is φ = 401836032.

The previous prime is 543320317. The next prime is 543320339. The reversal of 543320323 is 323023345.

It is not a de Polignac number, because 543320323 - 2⁹ = 543319811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543320363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241761 + ... + 243997.

It is an arithmetic number, because the mean of its divisors is an integer number (22277052).

Almost surely, 2^543320323 is an apocalyptic number.

543320323 is a deficient number, since it is larger than the sum of its proper divisors (169545341).

543320323 is a wasteful number, since it uses less digits than its factorization.

543320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431.

The product of its (nonzero) digits is 6480, while the sum is 25.

The square root of 543320323 is about 23309.2325699496. The cubic root of 543320323 is about 815.9909023359.

Adding to 543320323 its reverse (323023345), we get a palindrome (866343668).

The spelling of 543320323 in words is "five hundred forty-three million, three hundred twenty thousand, three hundred twenty-three".