131423222123243 has 16 divisors (see below), whose sum is σ = 141629178240000. Its totient is φ = 121574486292192.

The previous prime is 131423222123203. The next prime is 131423222123321. The reversal of 131423222123243 is 342321222324131.

It is a cyclic number.

It is not a de Polignac number, because 131423222123243 - 2⁸ = 131423222122987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131423222123203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393247355 + ... + 393581412.

It is an arithmetic number, because the mean of its divisors is an integer number (8851823640000).

Almost surely, 2^{131423222123243} is an apocalyptic number.

131423222123243 is a deficient number, since it is larger than the sum of its proper divisors (10205956116757).

131423222123243 is a wasteful number, since it uses less digits than its factorization.

131423222123243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786828994.

The product of its digits is 82944, while the sum is 35.

Adding to 131423222123243 its reverse (342321222324131), we get a palindrome (473744444447374).

The spelling of 131423222123243 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, two hundred twenty-two million, one hundred twenty-three thousand, two hundred forty-three".