563123 has 4 divisors (see below), whose sum is σ = 614328. Its totient is φ = 511920.

The previous prime is 563119. The next prime is 563131. The reversal of 563123 is 321365.

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 563123 - 2² = 563119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 563095 and 563104.

It is not an unprimeable number, because it can be changed into a prime (563113) 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 3 ways as a sum of consecutive naturals, for example, 25586 + ... + 25607.

It is an arithmetic number, because the mean of its divisors is an integer number (153582).

2⁵⁶³¹²³ is an apocalyptic number.

563123 is a deficient number, since it is larger than the sum of its proper divisors (51205).

563123 is a wasteful number, since it uses less digits than its factorization.

563123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51204.

The product of its digits is 540, while the sum is 20.

The square root of 563123 is about 750.4152183958. The cubic root of 563123 is about 82.5786455437.

Adding to 563123 its reverse (321365), we get a palindrome (884488).

It can be divided in two parts, 563 and 123, that added together give a palindrome (686).

The spelling of 563123 in words is "five hundred sixty-three thousand, one hundred twenty-three".