131423323 has 8 divisors (see below), whose sum is σ = 138797120. Its totient is φ = 124095240.

The previous prime is 131423317. The next prime is 131423333. The reversal of 131423323 is 323324131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131423323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131423294 and 131423303.

It is not an unprimeable number, because it can be changed into a prime (131423333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5433 + ... + 17098.

It is an arithmetic number, because the mean of its divisors is an integer number (17349640).

Almost surely, 2^131423323 is an apocalyptic number.

131423323 is a deficient number, since it is larger than the sum of its proper divisors (7373797).

131423323 is a wasteful number, since it uses less digits than its factorization.

131423323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22857.

The product of its digits is 1296, while the sum is 22.

The square root of 131423323 is about 11464.0011775994. The cubic root of 131423323 is about 508.4217814263.

Adding to 131423323 its reverse (323324131), we get a palindrome (454747454).

The spelling of 131423323 in words is "one hundred thirty-one million, four hundred twenty-three thousand, three hundred twenty-three".