131443323 has 8 divisors (see below), whose sum is σ = 191190336. Its totient is φ = 79662600.

The previous prime is 131443307. The next prime is 131443373. The reversal of 131443323 is 323344131.

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

It is not a de Polignac number, because 131443323 - 2⁴ = 131443307 is a prime.

It is a super-2 number, since 2×131443323² = 34554694322564658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131443293 and 131443302.

It is not an unprimeable number, because it can be changed into a prime (131443373) 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, 1991533 + ... + 1991598.

It is an arithmetic number, because the mean of its divisors is an integer number (23898792).

Almost surely, 2^131443323 is an apocalyptic number.

131443323 is a deficient number, since it is larger than the sum of its proper divisors (59747013).

131443323 is a wasteful number, since it uses less digits than its factorization.

131443323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983145.

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

The square root of 131443323 is about 11464.8734402086. The cubic root of 131443323 is about 508.4475706587.

Adding to 131443323 its reverse (323344131), we get a palindrome (454787454).

The spelling of 131443323 in words is "one hundred thirty-one million, four hundred forty-three thousand, three hundred twenty-three".