13431120132423 has 32 divisors (see below), whose sum is σ = 20535121281024. Its totient is φ = 7649224208352.

The previous prime is 13431120132317. The next prime is 13431120132541. The reversal of 13431120132423 is 32423102113431.

It is not a de Polignac number, because 13431120132423 - 2¹⁰ = 13431120131399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431120132223) 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 31 ways as a sum of consecutive naturals, for example, 6584986 + ... + 8379992.

It is an arithmetic number, because the mean of its divisors is an integer number (641722540032).

Almost surely, 2^{13431120132423} is an apocalyptic number.

13431120132423 is a deficient number, since it is larger than the sum of its proper divisors (7104001148601).

13431120132423 is a wasteful number, since it uses less digits than its factorization.

13431120132423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796211.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13431120132423 its reverse (32423102113431), we get a palindrome (45854222245854).

The spelling of 13431120132423 in words is "thirteen trillion, four hundred thirty-one billion, one hundred twenty million, one hundred thirty-two thousand, four hundred twenty-three".