4131312345323 has 4 divisors (see below), whose sum is σ = 4131320740008. Its totient is φ = 4131303950640.

The previous prime is 4131312345317. The next prime is 4131312345331. The reversal of 4131312345323 is 3235432131314.

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 4131312345323 - 2³⁸ = 3856434438379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4131312344323) 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, 3409898 + ... + 4459823.

It is an arithmetic number, because the mean of its divisors is an integer number (1032830185002).

Almost surely, 2^{4131312345323} is an apocalyptic number.

4131312345323 is a deficient number, since it is larger than the sum of its proper divisors (8394685).

4131312345323 is an equidigital number, since it uses as much as digits as its factorization.

4131312345323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8394684.

The product of its digits is 77760, while the sum is 35.

Adding to 4131312345323 its reverse (3235432131314), we get a palindrome (7366744476637).

The spelling of 4131312345323 in words is "four trillion, one hundred thirty-one billion, three hundred twelve million, three hundred forty-five thousand, three hundred twenty-three".