563123313 has 32 divisors (see below), whose sum is σ = 876796800. Its totient is φ = 356747328.

The previous prime is 563123291. The next prime is 563123369. The reversal of 563123313 is 313321365.

It is a happy number.

563123313 is a `hidden beast` number, since 5 + 631 + 23 + 3 + 1 + 3 = 666.

It is not a de Polignac number, because 563123313 - 2¹⁰ = 563122289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (563123383) 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 31 ways as a sum of consecutive naturals, for example, 36403 + ... + 49511.

It is an arithmetic number, because the mean of its divisors is an integer number (27399900).

Almost surely, 2^563123313 is an apocalyptic number.

It is an amenable number.

563123313 is a deficient number, since it is larger than the sum of its proper divisors (313673487).

563123313 is a wasteful number, since it uses less digits than its factorization.

563123313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198 (or 13192 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 563123313 is about 23730.2194048011. The cubic root of 563123313 is about 825.7866084359.

Adding to 563123313 its reverse (313321365), we get a palindrome (876444678).

The spelling of 563123313 in words is "five hundred sixty-three million, one hundred twenty-three thousand, three hundred thirteen".