13000320402343 has 32 divisors (see below), whose sum is σ = 14631732380160. Its totient is φ = 11490196354560.

The previous prime is 13000320402323. The next prime is 13000320402347. The reversal of 13000320402343 is 34320402300031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13000320402343 is a prime.

It is a super-2 number, since 2×13000320402343² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000320402347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68042955 + ... + 68233747.

It is an arithmetic number, because the mean of its divisors is an integer number (457241636880).

Almost surely, 2^{13000320402343} is an apocalyptic number.

13000320402343 is a deficient number, since it is larger than the sum of its proper divisors (1631411977817).

13000320402343 is a wasteful number, since it uses less digits than its factorization.

13000320402343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194679.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 13000320402343 its reverse (34320402300031), we get a palindrome (47320722702374).

The spelling of 13000320402343 in words is "thirteen trillion, three hundred twenty million, four hundred two thousand, three hundred forty-three".