2342321 has 4 divisors (see below), whose sum is σ = 2355444. Its totient is φ = 2329200.

The previous prime is 2342309. The next prime is 2342357. The reversal of 2342321 is 1232432.

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 703921 + 1638400 = 839^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2342321 - 2⁶ = 2342257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2342321.

It is not an unprimeable number, because it can be changed into a prime (2342381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6290 + ... + 6651.

It is an arithmetic number, because the mean of its divisors is an integer number (588861).

2^2342321 is an apocalyptic number.

It is an amenable number.

2342321 is a deficient number, since it is larger than the sum of its proper divisors (13123).

2342321 is a wasteful number, since it uses less digits than its factorization.

2342321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13122.

The product of its digits is 288, while the sum is 17.

The square root of 2342321 is about 1530.4643086332. The cubic root of 2342321 is about 132.8053194088.

Adding to 2342321 its reverse (1232432), we get a palindrome (3574753).

The spelling of 2342321 in words is "two million, three hundred forty-two thousand, three hundred twenty-one".