2042344321 has 4 divisors (see below), whose sum is σ = 2065292100. Its totient is φ = 2019396544.

The previous prime is 2042344319. The next prime is 2042344373. The reversal of 2042344321 is 1234432402.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 502880625 + 1539463696 = 22425^2 + 39236^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042344321 - 2¹ = 2042344319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042344301) 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, 11473756 + ... + 11473933.

It is an arithmetic number, because the mean of its divisors is an integer number (516323025).

Almost surely, 2^2042344321 is an apocalyptic number.

It is an amenable number.

2042344321 is a deficient number, since it is larger than the sum of its proper divisors (22947779).

2042344321 is an equidigital number, since it uses as much as digits as its factorization.

2042344321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22947778.

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

The square root of 2042344321 is about 45192.3037806218. The cubic root of 2042344321 is about 1268.7507754580.

Adding to 2042344321 its reverse (1234432402), we get a palindrome (3276776723).

The spelling of 2042344321 in words is "two billion, forty-two million, three hundred forty-four thousand, three hundred twenty-one".