13144431523 has 2 divisors, whose sum is σ = 13144431524. Its totient is φ = 13144431522.

The previous prime is 13144431499. The next prime is 13144431527. The reversal of 13144431523 is 32513444131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13144431523 - 2¹⁷ = 13144300451 is a prime.

It is not a weakly prime, because it can be changed into another prime (13144431527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6572215761 + 6572215762.

It is an arithmetic number, because the mean of its divisors is an integer number (6572215762).

Almost surely, 2^13144431523 is an apocalyptic number.

13144431523 is a deficient number, since it is larger than the sum of its proper divisors (1).

13144431523 is an equidigital number, since it uses as much as digits as its factorization.

13144431523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

Adding to 13144431523 its reverse (32513444131), we get a palindrome (45657875654).

The spelling of 13144431523 in words is "thirteen billion, one hundred forty-four million, four hundred thirty-one thousand, five hundred twenty-three".