2321130443 has 4 divisors (see below), whose sum is σ = 2338849128. Its totient is φ = 2303411760.

The previous prime is 2321130439. The next prime is 2321130451. The reversal of 2321130443 is 3440311232.

2321130443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2321130443 - 2² = 2321130439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321130403) 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, 8859146 + ... + 8859407.

It is an arithmetic number, because the mean of its divisors is an integer number (584712282).

Almost surely, 2^2321130443 is an apocalyptic number.

2321130443 is a deficient number, since it is larger than the sum of its proper divisors (17718685).

2321130443 is a wasteful number, since it uses less digits than its factorization.

2321130443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17718684.

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

The square root of 2321130443 is about 48178.1116587190. Note that the first 3 decimals coincide. The cubic root of 2321130443 is about 1324.0361696915.

Adding to 2321130443 its reverse (3440311232), we get a palindrome (5761441675).

The spelling of 2321130443 in words is "two billion, three hundred twenty-one million, one hundred thirty thousand, four hundred forty-three".