1317613423 has 8 divisors (see below), whose sum is σ = 1507645440. Its totient is φ = 1128031800.

The previous prime is 1317613411. The next prime is 1317613447. The reversal of 1317613423 is 3243167131.

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

It is not a de Polignac number, because 1317613423 - 2¹³ = 1317605231 is a prime.

It is a super-2 number, since 2×1317613423² = 3472210264939553858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317613723) 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, 106303 + ... + 118048.

It is an arithmetic number, because the mean of its divisors is an integer number (188455680).

Almost surely, 2^1317613423 is an apocalyptic number.

1317613423 is a deficient number, since it is larger than the sum of its proper divisors (190032017).

1317613423 is an equidigital number, since it uses as much as digits as its factorization.

1317613423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225197.

The product of its digits is 9072, while the sum is 31.

The square root of 1317613423 is about 36298.9452050607. The cubic root of 1317613423 is about 1096.2998049304.

The spelling of 1317613423 in words is "one billion, three hundred seventeen million, six hundred thirteen thousand, four hundred twenty-three".