13143343 has 2 divisors, whose sum is σ = 13143344. Its totient is φ = 13143342.

The previous prime is 13143313. The next prime is 13143359. The reversal of 13143343 is 34334131.

It is a happy number.

13143343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13143343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13143313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571671 + 6571672.

It is an arithmetic number, because the mean of its divisors is an integer number (6571672).

Almost surely, 2^13143343 is an apocalyptic number.

13143343 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143343 is an equidigital number, since it uses as much as digits as its factorization.

13143343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 22.

The square root of 13143343 is about 3625.3748771679. The cubic root of 13143343 is about 235.9945356869.

Adding to 13143343 its reverse (34334131), we get a palindrome (47477474).

The spelling of 13143343 in words is "thirteen million, one hundred forty-three thousand, three hundred forty-three".