13423340313 has 6 divisors (see below), whose sum is σ = 19389269354. Its totient is φ = 8948893536.

The previous prime is 13423340309. The next prime is 13423340317. The reversal of 13423340313 is 31304332431.

13423340313 is a `hidden beast` number, since 1 + 3 + 4 + 2 + 3 + 340 + 313 = 666.

It is an interprime number because it is at equal distance from previous prime (13423340309) and next prime (13423340317).

It can be written as a sum of positive squares in only one way, i.e., 7443720729 + 5979619584 = 86277^2 + 77328^2 .

It is not a de Polignac number, because 13423340313 - 2² = 13423340309 is a prime.

It is a super-2 number, since 2×13423340313² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13423340317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745741120 + ... + 745741137.

Almost surely, 2^13423340313 is an apocalyptic number.

It is an amenable number.

13423340313 is a deficient number, since it is larger than the sum of its proper divisors (5965929041).

13423340313 is a wasteful number, since it uses less digits than its factorization.

13423340313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491482263 (or 1491482260 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 13423340313 its reverse (31304332431), we get a palindrome (44727672744).

The spelling of 13423340313 in words is "thirteen billion, four hundred twenty-three million, three hundred forty thousand, three hundred thirteen".