543423223 has 4 divisors (see below), whose sum is σ = 621055120. Its totient is φ = 465791328.

The previous prime is 543423203. The next prime is 543423229. The reversal of 543423223 is 322324345.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543423223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 543423191 and 543423200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543423229) 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, 38815938 + ... + 38815951.

It is an arithmetic number, because the mean of its divisors is an integer number (155263780).

Almost surely, 2^543423223 is an apocalyptic number.

543423223 is a deficient number, since it is larger than the sum of its proper divisors (77631897).

543423223 is an equidigital number, since it uses as much as digits as its factorization.

543423223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77631896.

The product of its digits is 17280, while the sum is 28.

The square root of 543423223 is about 23311.4397453268. The cubic root of 543423223 is about 816.0424128722.

Adding to 543423223 its reverse (322324345), we get a palindrome (865747568).

The spelling of 543423223 in words is "five hundred forty-three million, four hundred twenty-three thousand, two hundred twenty-three".