317910223 has 16 divisors (see below), whose sum is σ = 348092800. Its totient is φ = 289306080.

The previous prime is 317910211. The next prime is 317910227. The reversal of 317910223 is 322019713.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317910223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317910191 and 317910200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317910227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46648 + ... + 53026.

It is an arithmetic number, because the mean of its divisors is an integer number (21755800).

Almost surely, 2^317910223 is an apocalyptic number.

317910223 is a deficient number, since it is larger than the sum of its proper divisors (30182577).

317910223 is a wasteful number, since it uses less digits than its factorization.

317910223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 317910223 is about 17830.0371003540. The cubic root of 317910223 is about 682.4981804797.

Adding to 317910223 its reverse (322019713), we get a palindrome (639929936).

The spelling of 317910223 in words is "three hundred seventeen million, nine hundred ten thousand, two hundred twenty-three".