56123303 has 4 divisors (see below), whose sum is σ = 56180928. Its totient is φ = 56065680.

The previous prime is 56123297. The next prime is 56123317. The reversal of 56123303 is 30332165.

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 56123303 - 2²⁰ = 55074727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56123003) 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, 27326 + ... + 29307.

It is an arithmetic number, because the mean of its divisors is an integer number (14045232).

Almost surely, 2^56123303 is an apocalyptic number.

56123303 is a deficient number, since it is larger than the sum of its proper divisors (57625).

56123303 is an equidigital number, since it uses as much as digits as its factorization.

56123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57624.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 56123303 is about 7491.5487717828. The cubic root of 56123303 is about 382.8668285176.

Adding to 56123303 its reverse (30332165), we get a palindrome (86455468).

The spelling of 56123303 in words is "fifty-six million, one hundred twenty-three thousand, three hundred three".