555723 has 12 divisors (see below), whose sum is σ = 917488. Its totient is φ = 317520.

The previous prime is 555707. The next prime is 555739. The reversal of 555723 is 327555.

It is an interprime number because it is at equal distance from previous prime (555707) and next prime (555739).

It is not a de Polignac number, because 555723 - 2⁴ = 555707 is a prime.

It is an Ulam number.

It is a Duffinian number.

555723 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 555723.

It is not an unprimeable number, because it can be changed into a prime (555743) 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 11 ways as a sum of consecutive naturals, for example, 4348 + ... + 4473.

2⁵⁵⁵⁷²³ is an apocalyptic number.

555723 is a deficient number, since it is larger than the sum of its proper divisors (361765).

555723 is a wasteful number, since it uses less digits than its factorization.

555723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834 (or 8831 counting only the distinct ones).

The product of its digits is 5250, while the sum is 27.

The square root of 555723 is about 745.4683091856. The cubic root of 555723 is about 82.2153273849.

It can be divided in two parts, 55 and 5723, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 555723 in words is "five hundred fifty-five thousand, seven hundred twenty-three".