4042440223343 has 2 divisors, whose sum is σ = 4042440223344. Its totient is φ = 4042440223342.

The previous prime is 4042440223331. The next prime is 4042440223517. The reversal of 4042440223343 is 3433220442404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4042440223343 - 2¹⁶ = 4042440157807 is a prime.

It is a super-5 number, since 5×4042440223343⁵ (a number of 64 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4042440223313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021220111671 + 2021220111672.

It is an arithmetic number, because the mean of its divisors is an integer number (2021220111672).

Almost surely, 2^{4042440223343} is an apocalyptic number.

4042440223343 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042440223343 is an equidigital number, since it uses as much as digits as its factorization.

4042440223343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 4042440223343 its reverse (3433220442404), we get a palindrome (7475660665747).

The spelling of 4042440223343 in words is "four trillion, forty-two billion, four hundred forty million, two hundred twenty-three thousand, three hundred forty-three".