2443340323 has 4 divisors (see below), whose sum is σ = 2443552168. Its totient is φ = 2443128480.

The previous prime is 2443340297. The next prime is 2443340357. The reversal of 2443340323 is 3230433442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3230433442 = 2 ⋅1615216721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2443340323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2443340291 and 2443340300.

It is not an unprimeable number, because it can be changed into a prime (2443340723) 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, 87561 + ... + 112042.

It is an arithmetic number, because the mean of its divisors is an integer number (610888042).

Almost surely, 2^2443340323 is an apocalyptic number.

2443340323 is a deficient number, since it is larger than the sum of its proper divisors (211845).

2443340323 is a wasteful number, since it uses less digits than its factorization.

2443340323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211844.

The product of its (nonzero) digits is 20736, while the sum is 28.

The square root of 2443340323 is about 49430.1560082507. The cubic root of 2443340323 is about 1346.8771572491.

Adding to 2443340323 its reverse (3230433442), we get a palindrome (5673773765).

The spelling of 2443340323 in words is "two billion, four hundred forty-three million, three hundred forty thousand, three hundred twenty-three".