131020414323423 has 4 divisors (see below), whose sum is σ = 174693885764568. Its totient is φ = 87346942882280.

The previous prime is 131020414323353. The next prime is 131020414323431. The reversal of 131020414323423 is 324323414020131.

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

It is a cyclic number.

It is not a de Polignac number, because 131020414323423 - 2¹⁸ = 131020414061279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020414323473) 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, 21836735720568 + ... + 21836735720573.

It is an arithmetic number, because the mean of its divisors is an integer number (43673471441142).

Almost surely, 2^{131020414323423} is an apocalyptic number.

131020414323423 is a deficient number, since it is larger than the sum of its proper divisors (43673471441145).

131020414323423 is an equidigital number, since it uses as much as digits as its factorization.

131020414323423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43673471441144.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 131020414323423 its reverse (324323414020131), we get a palindrome (455343828343554).

The spelling of 131020414323423 in words is "one hundred thirty-one trillion, twenty billion, four hundred fourteen million, three hundred twenty-three thousand, four hundred twenty-three".