556310323 has 4 divisors (see below), whose sum is σ = 561818448. Its totient is φ = 550802200.

The previous prime is 556310317. The next prime is 556310333. The reversal of 556310323 is 323013655.

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 556310323 - 2⁹ = 556309811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556310291 and 556310300.

It is not an unprimeable number, because it can be changed into a prime (556310303) 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, 2753911 + ... + 2754112.

It is an arithmetic number, because the mean of its divisors is an integer number (140454612).

Almost surely, 2^556310323 is an apocalyptic number.

556310323 is a deficient number, since it is larger than the sum of its proper divisors (5508125).

556310323 is a wasteful number, since it uses less digits than its factorization.

556310323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508124.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 556310323 is about 23586.2316405143. The cubic root of 556310323 is about 822.4428062952.

Adding to 556310323 its reverse (323013655), we get a palindrome (879323978).

The spelling of 556310323 in words is "five hundred fifty-six million, three hundred ten thousand, three hundred twenty-three".