318485023 has 2 divisors, whose sum is σ = 318485024. Its totient is φ = 318485022.

The previous prime is 318484997. The next prime is 318485033. The reversal of 318485023 is 320584813.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318485023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 318485023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318485033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159242511 + 159242512.

It is an arithmetic number, because the mean of its divisors is an integer number (159242512).

Almost surely, 2^318485023 is an apocalyptic number.

318485023 is a deficient number, since it is larger than the sum of its proper divisors (1).

318485023 is an equidigital number, since it uses as much as digits as its factorization.

318485023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 318485023 is about 17846.1486881624. The cubic root of 318485023 is about 682.9092648355.

The spelling of 318485023 in words is "three hundred eighteen million, four hundred eighty-five thousand, twenty-three".