130340423443 has 4 divisors (see below), whose sum is σ = 130361063040. Its totient is φ = 130319783848.

The previous prime is 130340423429. The next prime is 130340423503. The reversal of 130340423443 is 344324043031.

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 130340423443 - 2²¹ = 130338326291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130340420443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10310323 + ... + 10322956.

It is an arithmetic number, because the mean of its divisors is an integer number (32590265760).

Almost surely, 2^130340423443 is an apocalyptic number.

130340423443 is a deficient number, since it is larger than the sum of its proper divisors (20639597).

130340423443 is an equidigital number, since it uses as much as digits as its factorization.

130340423443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20639596.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 130340423443 its reverse (344324043031), we get a palindrome (474664466474).

The spelling of 130340423443 in words is "one hundred thirty billion, three hundred forty million, four hundred twenty-three thousand, four hundred forty-three".