13143456503 has 2 divisors, whose sum is σ = 13143456504. Its totient is φ = 13143456502.

The previous prime is 13143456427. The next prime is 13143456509. The reversal of 13143456503 is 30565434131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13143456503 - 2⁸ = 13143456247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13143456509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571728251 + 6571728252.

It is an arithmetic number, because the mean of its divisors is an integer number (6571728252).

Almost surely, 2^13143456503 is an apocalyptic number.

13143456503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143456503 is an equidigital number, since it uses as much as digits as its factorization.

13143456503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 13143456503 in words is "thirteen billion, one hundred forty-three million, four hundred fifty-six thousand, five hundred three".