131444534423 has 2 divisors, whose sum is σ = 131444534424. Its totient is φ = 131444534422.

The previous prime is 131444534393. The next prime is 131444534447. The reversal of 131444534423 is 324435444131.

It is a strong prime.

It is an emirp because it is prime and its reverse (324435444131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131444534423 - 2⁶ = 131444534359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131444534623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65722267211 + 65722267212.

It is an arithmetic number, because the mean of its divisors is an integer number (65722267212).

Almost surely, 2^131444534423 is an apocalyptic number.

131444534423 is a deficient number, since it is larger than the sum of its proper divisors (1).

131444534423 is an equidigital number, since it uses as much as digits as its factorization.

131444534423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 38.

Adding to 131444534423 its reverse (324435444131), we get a palindrome (455879978554).

The spelling of 131444534423 in words is "one hundred thirty-one billion, four hundred forty-four million, five hundred thirty-four thousand, four hundred twenty-three".