131423114404443 has 16 divisors (see below), whose sum is σ = 178999436117376. Its totient is φ = 85750832126400.

The previous prime is 131423114404357. The next prime is 131423114404489. The reversal of 131423114404443 is 344404411324131.

It is a de Polignac number, because none of the positive numbers 2^k-131423114404443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131423114414443) 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 15 ways as a sum of consecutive naturals, for example, 2466345658 + ... + 2466398943.

It is an arithmetic number, because the mean of its divisors is an integer number (11187464757336).

Almost surely, 2^{131423114404443} is an apocalyptic number.

131423114404443 is a deficient number, since it is larger than the sum of its proper divisors (47576321712933).

131423114404443 is a wasteful number, since it uses less digits than its factorization.

131423114404443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932744794.

The product of its (nonzero) digits is 221184, while the sum is 39.

Adding to 131423114404443 its reverse (344404411324131), we get a palindrome (475827525728574).

The spelling of 131423114404443 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred fourteen million, four hundred four thousand, four hundred forty-three".