13143443 has 2 divisors, whose sum is σ = 13143444. Its totient is φ = 13143442.

The previous prime is 13143407. The next prime is 13143461. The reversal of 13143443 is 34434131.

It is a strong prime.

It is an emirp because it is prime and its reverse (34434131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13143443 - 2⁶ = 13143379 is a prime.

It is not a weakly prime, because it can be changed into another prime (13143043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571721 + 6571722.

It is an arithmetic number, because the mean of its divisors is an integer number (6571722).

Almost surely, 2^13143443 is an apocalyptic number.

13143443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143443 is an equidigital number, since it uses as much as digits as its factorization.

13143443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 13143443 is about 3625.3886688188. The cubic root of 13143443 is about 235.9951342002.

Adding to 13143443 its reverse (34434131), we get a palindrome (47577574).

The spelling of 13143443 in words is "thirteen million, one hundred forty-three thousand, four hundred forty-three".