13043363886523 has 2 divisors, whose sum is σ = 13043363886524. Its totient is φ = 13043363886522.

The previous prime is 13043363886403. The next prime is 13043363886533. The reversal of 13043363886523 is 32568836334031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13043363886523 - 2²¹ = 13043361789371 is a prime.

It is not a weakly prime, because it can be changed into another prime (13043363886533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6521681943261 + 6521681943262.

It is an arithmetic number, because the mean of its divisors is an integer number (6521681943262).

Almost surely, 2^{13043363886523} is an apocalyptic number.

13043363886523 is a deficient number, since it is larger than the sum of its proper divisors (1).

13043363886523 is an equidigital number, since it uses as much as digits as its factorization.

13043363886523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 55.

The spelling of 13043363886523 in words is "thirteen trillion, forty-three billion, three hundred sixty-three million, eight hundred eighty-six thousand, five hundred twenty-three".