543723 has 8 divisors (see below), whose sum is σ = 763200. Its totient is φ = 343368.

The previous prime is 543713. The next prime is 543769. The reversal of 543723 is 327345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 543723 - 2⁴ = 543707 is a prime.

543723 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 543693 and 543702.

It is not an unprimeable number, because it can be changed into a prime (543703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4713 + ... + 4826.

It is an arithmetic number, because the mean of its divisors is an integer number (95400).

2⁵⁴³⁷²³ is an apocalyptic number.

543723 is a deficient number, since it is larger than the sum of its proper divisors (219477).

543723 is a wasteful number, since it uses less digits than its factorization.

543723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9561.

The product of its digits is 2520, while the sum is 24.

The square root of 543723 is about 737.3757522458. The cubic root of 543723 is about 81.6192440675.

It can be divided in two parts, 5437 and 23, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 543723 in words is "five hundred forty-three thousand, seven hundred twenty-three".