318485923 has 8 divisors (see below), whose sum is σ = 383141120. Its totient is φ = 258620040.

The previous prime is 318485897. The next prime is 318485927. The reversal of 318485923 is 329584813.

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

It is not a de Polignac number, because 318485923 - 2²¹ = 316388771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 318485923.

It is not an unprimeable number, because it can be changed into a prime (318485927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197183 + ... + 1197448.

It is an arithmetic number, because the mean of its divisors is an integer number (47892640).

Almost surely, 2^318485923 is an apocalyptic number.

318485923 is a deficient number, since it is larger than the sum of its proper divisors (64655197).

318485923 is a wasteful number, since it uses less digits than its factorization.

318485923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394657.

The product of its digits is 207360, while the sum is 43.

The square root of 318485923 is about 17846.1739036691. The cubic root of 318485923 is about 682.9099081078.

The spelling of 318485923 in words is "three hundred eighteen million, four hundred eighty-five thousand, nine hundred twenty-three".