13124431441523 has 2 divisors, whose sum is σ = 13124431441524. Its totient is φ = 13124431441522.

The previous prime is 13124431441403. The next prime is 13124431441529. The reversal of 13124431441523 is 32514413442131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13124431441523 is a prime.

It is not a weakly prime, because it can be changed into another prime (13124431441529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562215720761 + 6562215720762.

It is an arithmetic number, because the mean of its divisors is an integer number (6562215720762).

Almost surely, 2^{13124431441523} is an apocalyptic number.

13124431441523 is a deficient number, since it is larger than the sum of its proper divisors (1).

13124431441523 is an equidigital number, since it uses as much as digits as its factorization.

13124431441523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 38.

Adding to 13124431441523 its reverse (32514413442131), we get a palindrome (45638844883654).

The spelling of 13124431441523 in words is "thirteen trillion, one hundred twenty-four billion, four hundred thirty-one million, four hundred forty-one thousand, five hundred twenty-three".