1317103623 has 12 divisors (see below), whose sum is σ = 2075436168. Its totient is φ = 798244560.

The previous prime is 1317103597. The next prime is 1317103633. The reversal of 1317103623 is 3263017131.

1317103623 is a `hidden beast` number, since 1 + 31 + 7 + 1 + 0 + 3 + 623 = 666.

It is not a de Polignac number, because 1317103623 - 2⁵ = 1317103591 is a prime.

It is a super-2 number, since 2×1317103623² = 3469523907439452258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317103633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6651940 + ... + 6652137.

It is an arithmetic number, because the mean of its divisors is an integer number (172953014).

Almost surely, 2^1317103623 is an apocalyptic number.

1317103623 is a deficient number, since it is larger than the sum of its proper divisors (758332545).

1317103623 is a wasteful number, since it uses less digits than its factorization.

1317103623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13304094 (or 13304091 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 1317103623 is about 36291.9222830646. The cubic root of 1317103623 is about 1096.1583962979.

The spelling of 1317103623 in words is "one billion, three hundred seventeen million, one hundred three thousand, six hundred twenty-three".