543204323 has 4 divisors (see below), whose sum is σ = 543339888. Its totient is φ = 543068760.

The previous prime is 543204313. The next prime is 543204331. The reversal of 543204323 is 323402345.

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 543204323 - 2²² = 539010019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 543204292 and 543204301.

It is not an unprimeable number, because it can be changed into a prime (543204313) 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, 61583 + ... + 69848.

It is an arithmetic number, because the mean of its divisors is an integer number (135834972).

Almost surely, 2^543204323 is an apocalyptic number.

543204323 is a deficient number, since it is larger than the sum of its proper divisors (135565).

543204323 is a wasteful number, since it uses less digits than its factorization.

543204323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135564.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 543204323 is about 23306.7441527125. The cubic root of 543204323 is about 815.9328262939.

Adding to 543204323 its reverse (323402345), we get a palindrome (866606668).

The spelling of 543204323 in words is "five hundred forty-three million, two hundred four thousand, three hundred twenty-three".