2321420443 has 8 divisors (see below), whose sum is σ = 2353509648. Its totient is φ = 2289429504.

The previous prime is 2321420357. The next prime is 2321420459. The reversal of 2321420443 is 3440241232.

It is a happy number.

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

It is not a de Polignac number, because 2321420443 - 2⁹ = 2321419931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321420483) 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, 23655 + ... + 72127.

It is an arithmetic number, because the mean of its divisors is an integer number (294188706).

Almost surely, 2^2321420443 is an apocalyptic number.

2321420443 is a deficient number, since it is larger than the sum of its proper divisors (32089205).

2321420443 is an equidigital number, since it uses as much as digits as its factorization.

2321420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49133.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2321420443 is about 48181.1212302080. The cubic root of 2321420443 is about 1324.0913087009.

Adding to 2321420443 its reverse (3440241232), we get a palindrome (5761661675).

The spelling of 2321420443 in words is "two billion, three hundred twenty-one million, four hundred twenty thousand, four hundred forty-three".