13231500130423 has 4 divisors (see below), whose sum is σ = 13687758755640. Its totient is φ = 12775241505208.

The previous prime is 13231500130403. The next prime is 13231500130439. The reversal of 13231500130423 is 32403100513231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13231500130423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13231500130391 and 13231500130400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231500130403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228129312565 + ... + 228129312622.

It is an arithmetic number, because the mean of its divisors is an integer number (3421939688910).

Almost surely, 2^{13231500130423} is an apocalyptic number.

13231500130423 is a deficient number, since it is larger than the sum of its proper divisors (456258625217).

13231500130423 is an equidigital number, since it uses as much as digits as its factorization.

13231500130423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456258625216.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 13231500130423 its reverse (32403100513231), we get a palindrome (45634600643654).

The spelling of 13231500130423 in words is "thirteen trillion, two hundred thirty-one billion, five hundred million, one hundred thirty thousand, four hundred twenty-three".