556323 has 4 divisors (see below), whose sum is σ = 741768. Its totient is φ = 370880.

The previous prime is 556321. The next prime is 556327. The reversal of 556323 is 323655.

556323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 556323 - 2¹ = 556321 is a prime.

It is a D-number.

556323 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 556293 and 556302.

It is not an unprimeable number, because it can be changed into a prime (556321) 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, 92718 + ... + 92723.

It is an arithmetic number, because the mean of its divisors is an integer number (185442).

2⁵⁵⁶³²³ is an apocalyptic number.

556323 is a deficient number, since it is larger than the sum of its proper divisors (185445).

556323 is a wasteful number, since it uses less digits than its factorization.

556323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185444.

The product of its digits is 2700, while the sum is 24.

The square root of 556323 is about 745.8706322145. The cubic root of 556323 is about 82.2449053425.

Adding to 556323 its reverse (323655), we get a palindrome (879978).

The spelling of 556323 in words is "five hundred fifty-six thousand, three hundred twenty-three".