131432423 has 8 divisors (see below), whose sum is σ = 140167440. Its totient is φ = 122808960.

The previous prime is 131432407. The next prime is 131432449. The reversal of 131432423 is 324234131.

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

It is a cyclic number.

It is not a de Polignac number, because 131432423 - 2⁴ = 131432407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131432023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25448 + ... + 30173.

It is an arithmetic number, because the mean of its divisors is an integer number (17520930).

Almost surely, 2^131432423 is an apocalyptic number.

131432423 is a deficient number, since it is larger than the sum of its proper divisors (8735017).

131432423 is a wasteful number, since it uses less digits than its factorization.

131432423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55777.

The product of its digits is 1728, while the sum is 23.

The square root of 131432423 is about 11464.3980653151. The cubic root of 131432423 is about 508.4335158515.

Adding to 131432423 its reverse (324234131), we get a palindrome (455666554).

The spelling of 131432423 in words is "one hundred thirty-one million, four hundred thirty-two thousand, four hundred twenty-three".