13432315243 has 2 divisors, whose sum is σ = 13432315244. Its totient is φ = 13432315242.

The previous prime is 13432315223. The next prime is 13432315279. The reversal of 13432315243 is 34251323431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13432315243 is a prime.

It is not a weakly prime, because it can be changed into another prime (13432315223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6716157621 + 6716157622.

It is an arithmetic number, because the mean of its divisors is an integer number (6716157622).

Almost surely, 2^13432315243 is an apocalyptic number.

13432315243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13432315243 is an equidigital number, since it uses as much as digits as its factorization.

13432315243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 31.

Adding to 13432315243 its reverse (34251323431), we get a palindrome (47683638674).

The spelling of 13432315243 in words is "thirteen billion, four hundred thirty-two million, three hundred fifteen thousand, two hundred forty-three".