316623 has 4 divisors (see below), whose sum is σ = 422168. Its totient is φ = 211080.

The previous prime is 316621. The next prime is 316633. The reversal of 316623 is 326613.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 316623 - 2¹ = 316621 is a prime.

It is a D-number.

It is a Duffinian number.

316623 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 316623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316621) 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, 52768 + ... + 52773.

It is an arithmetic number, because the mean of its divisors is an integer number (105542).

2³¹⁶⁶²³ is an apocalyptic number.

316623 is a deficient number, since it is larger than the sum of its proper divisors (105545).

316623 is a wasteful number, since it uses less digits than its factorization.

316623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105544.

The product of its digits is 648, while the sum is 21.

The square root of 316623 is about 562.6926336820. The cubic root of 316623 is about 68.1575786158.

It can be divided in two parts, 316 and 623, that added together give a palindrome (939).

The spelling of 316623 in words is "three hundred sixteen thousand, six hundred twenty-three".