131203243311423 has 8 divisors (see below), whose sum is σ = 174939448167600. Its totient is φ = 87467933664768.

The previous prime is 131203243311397. The next prime is 131203243311571. The reversal of 131203243311423 is 324113342302131.

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

It is not a de Polignac number, because 131203243311423 - 2¹⁶ = 131203243245887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131203243301423) 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 7 ways as a sum of consecutive naturals, for example, 223460328 + ... + 224046701.

It is an arithmetic number, because the mean of its divisors is an integer number (21867431020950).

Almost surely, 2^{131203243311423} is an apocalyptic number.

131203243311423 is a deficient number, since it is larger than the sum of its proper divisors (43736204856177).

131203243311423 is an equidigital number, since it uses as much as digits as its factorization.

131203243311423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447604761.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 131203243311423 its reverse (324113342302131), we get a palindrome (455316585613554).

The spelling of 131203243311423 in words is "one hundred thirty-one trillion, two hundred three billion, two hundred forty-three million, three hundred eleven thousand, four hundred twenty-three".