2442342321 has 8 divisors (see below), whose sum is σ = 3618284960. Its totient is φ = 1628228196.

The previous prime is 2442342299. The next prime is 2442342341. The reversal of 2442342321 is 1232432442.

2442342321 is a `hidden beast` number, since 2 + 4 + 423 + 4 + 232 + 1 = 666.

2442342321 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2442342321 - 2⁹ = 2442341809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 90457123 = 2442342321 / (2 + 4 + 4 + 2 + 3 + 4 + 2 + 3 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2442342341) 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, 45228535 + ... + 45228588.

It is an arithmetic number, because the mean of its divisors is an integer number (452285620).

Almost surely, 2^2442342321 is an apocalyptic number.

It is an amenable number.

2442342321 is a deficient number, since it is larger than the sum of its proper divisors (1175942639).

2442342321 is an equidigital number, since it uses as much as digits as its factorization.

2442342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90457132 (or 90457126 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 2442342321 is about 49420.0599048605. The cubic root of 2442342321 is about 1346.6937513410.

Adding to 2442342321 its reverse (1232432442), we get a palindrome (3674774763).

The spelling of 2442342321 in words is "two billion, four hundred forty-two million, three hundred forty-two thousand, three hundred twenty-one".