It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-543223 is a prime.
It is a d-powerful number, because it can be written as 5 + 46 + 213 + 34 + 219 + 38 .
It is a plaindrome in base 12.
It is a self number, because there is not a number n which added to its sum of digits gives 543223.
It is a congruent number.
2543223 is an apocalyptic number.
543223 is an equidigital number, since it uses as much as digits as its factorization.
543223 is an odious number, because the sum of its binary digits is odd.
The square root of 543223 is about 737.0366340963. The cubic root of 543223 is about 81.5942177596.
Adding to 543223 its reverse (322345), we get a palindrome (865568).
The spelling of 543223 in words is "five hundred forty-three thousand, two hundred twenty-three".