2321612443 has 4 divisors (see below), whose sum is σ = 2322046440. Its totient is φ = 2321178448.

The previous prime is 2321612407. The next prime is 2321612483. The reversal of 2321612443 is 3442161232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321612443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321612483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208873 + ... + 219706.

It is an arithmetic number, because the mean of its divisors is an integer number (580511610).

Almost surely, 2^2321612443 is an apocalyptic number.

2321612443 is a deficient number, since it is larger than the sum of its proper divisors (433997).

2321612443 is an equidigital number, since it uses as much as digits as its factorization.

2321612443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433996.

The product of its digits is 6912, while the sum is 28.

The square root of 2321612443 is about 48183.1136706627. The cubic root of 2321612443 is about 1324.1278120012.

Adding to 2321612443 its reverse (3442161232), we get a palindrome (5763773675).

The spelling of 2321612443 in words is "two billion, three hundred twenty-one million, six hundred twelve thousand, four hundred forty-three".