131423131322443 has 8 divisors (see below), whose sum is σ = 138183733331280. Its totient is φ = 124811113973280.

The previous prime is 131423131322429. The next prime is 131423131322467. The reversal of 131423131322443 is 344223131324131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131423131322443 - 2⁴⁵ = 96238759233611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131423131322143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37146163105 + ... + 37146166642.

It is an arithmetic number, because the mean of its divisors is an integer number (17272966666410).

Almost surely, 2^{131423131322443} is an apocalyptic number.

131423131322443 is a deficient number, since it is larger than the sum of its proper divisors (6760602008837).

131423131322443 is an equidigital number, since it uses as much as digits as its factorization.

131423131322443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74292329837.

The product of its digits is 124416, while the sum is 37.

Adding to 131423131322443 its reverse (344223131324131), we get a palindrome (475646262646574).

The spelling of 131423131322443 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred thirty-one million, three hundred twenty-two thousand, four hundred forty-three".