131423343 has 8 divisors (see below), whose sum is σ = 177699456. Its totient is φ = 86381400.

The previous prime is 131423333. The next prime is 131423377. The reversal of 131423343 is 343324131.

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

It is not a de Polignac number, because 131423343 - 2⁸ = 131423087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131423333) 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, 308293 + ... + 308718.

It is an arithmetic number, because the mean of its divisors is an integer number (22212432).

Almost surely, 2^131423343 is an apocalyptic number.

131423343 is a deficient number, since it is larger than the sum of its proper divisors (46276113).

131423343 is an equidigital number, since it uses as much as digits as its factorization.

131423343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617085.

The product of its digits is 2592, while the sum is 24.

The square root of 131423343 is about 11464.0020498951. The cubic root of 131423343 is about 508.4218072169.

Adding to 131423343 its reverse (343324131), we get a palindrome (474747474).

The spelling of 131423343 in words is "one hundred thirty-one million, four hundred twenty-three thousand, three hundred forty-three".