317423661 has 8 divisors (see below), whose sum is σ = 423432480. Its totient is φ = 211515312.

The previous prime is 317423641. The next prime is 317423669. The reversal of 317423661 is 166324713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 317423661 - 2⁹ = 317423149 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317423669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17406 + ... + 30623.

It is an arithmetic number, because the mean of its divisors is an integer number (52929060).

Almost surely, 2^317423661 is an apocalyptic number.

It is an amenable number.

317423661 is a deficient number, since it is larger than the sum of its proper divisors (106008819).

317423661 is a wasteful number, since it uses less digits than its factorization.

317423661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50235.

The product of its digits is 18144, while the sum is 33.

The square root of 317423661 is about 17816.3874284323. The cubic root of 317423661 is about 682.1498145838.

The spelling of 317423661 in words is "three hundred seventeen million, four hundred twenty-three thousand, six hundred sixty-one".