13432321343 has 6 divisors (see below), whose sum is σ = 15625353456. Its totient is φ = 11513418252.

The previous prime is 13432321327. The next prime is 13432321349. The reversal of 13432321343 is 34312323431.

13432321343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13432321343 - 2⁴ = 13432321327 is a prime.

It is a super-2 number, since 2×13432321343² (a number of 21 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 (13432321349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137064455 + ... + 137064552.

It is an arithmetic number, because the mean of its divisors is an integer number (2604225576).

Almost surely, 2^13432321343 is an apocalyptic number.

13432321343 is a deficient number, since it is larger than the sum of its proper divisors (2193032113).

13432321343 is an equidigital number, since it uses as much as digits as its factorization.

13432321343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274129021 (or 274129014 counting only the distinct ones).

The product of its digits is 15552, while the sum is 29.

Adding to 13432321343 its reverse (34312323431), we get a palindrome (47744644774).

The spelling of 13432321343 in words is "thirteen billion, four hundred thirty-two million, three hundred twenty-one thousand, three hundred forty-three".