13320424343 has 4 divisors (see below), whose sum is σ = 13322938680. Its totient is φ = 13317910008.

The previous prime is 13320424339. The next prime is 13320424357. The reversal of 13320424343 is 34342402331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13320424343 - 2² = 13320424339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320420343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249205 + ... + 1259822.

It is an arithmetic number, because the mean of its divisors is an integer number (3330734670).

Almost surely, 2^13320424343 is an apocalyptic number.

13320424343 is a deficient number, since it is larger than the sum of its proper divisors (2514337).

13320424343 is an equidigital number, since it uses as much as digits as its factorization.

13320424343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514336.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 13320424343 its reverse (34342402331), we get a palindrome (47662826674).

The spelling of 13320424343 in words is "thirteen billion, three hundred twenty million, four hundred twenty-four thousand, three hundred forty-three".