13003323943 has 2 divisors, whose sum is σ = 13003323944. Its totient is φ = 13003323942.

The previous prime is 13003323917. The next prime is 13003323961. The reversal of 13003323943 is 34932330031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13003323943 - 2¹⁷ = 13003192871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13003323913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501661971 + 6501661972.

It is an arithmetic number, because the mean of its divisors is an integer number (6501661972).

Almost surely, 2^13003323943 is an apocalyptic number.

13003323943 is a deficient number, since it is larger than the sum of its proper divisors (1).

13003323943 is an equidigital number, since it uses as much as digits as its factorization.

13003323943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 13003323943 its reverse (34932330031), we get a palindrome (47935653974).

The spelling of 13003323943 in words is "thirteen billion, three million, three hundred twenty-three thousand, nine hundred forty-three".