313423503 has 32 divisors (see below), whose sum is σ = 445487040. Its totient is φ = 195686400.

The previous prime is 313423501. The next prime is 313423511. The reversal of 313423503 is 305324313.

It is a happy number.

It is not a de Polignac number, because 313423503 - 2¹ = 313423501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313423501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465375 + ... + 466047.

It is an arithmetic number, because the mean of its divisors is an integer number (13921470).

Almost surely, 2^313423503 is an apocalyptic number.

313423503 is a deficient number, since it is larger than the sum of its proper divisors (132063537).

313423503 is a wasteful number, since it uses less digits than its factorization.

313423503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 313423503 is about 17703.7708695069. The cubic root of 313423503 is about 679.2722194853.

Adding to 313423503 its reverse (305324313), we get a palindrome (618747816).

The spelling of 313423503 in words is "three hundred thirteen million, four hundred twenty-three thousand, five hundred three".