5423443440243 has 32 divisors (see below), whose sum is σ = 7446382175232. Its totient is φ = 3508590297600.

The previous prime is 5423443440227. The next prime is 5423443440269. The reversal of 5423443440243 is 3420443443245.

It is not a de Polignac number, because 5423443440243 - 2⁴ = 5423443440227 is a prime.

It is a super-2 number, since 2×5423443440243² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5423443440195 and 5423443440204.

It is not an unprimeable number, because it can be changed into a prime (5423443420243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159341355 + ... + 159375387.

It is an arithmetic number, because the mean of its divisors is an integer number (232699442976).

Almost surely, 2^{5423443440243} is an apocalyptic number.

5423443440243 is a deficient number, since it is larger than the sum of its proper divisors (2022938734989).

5423443440243 is a wasteful number, since it uses less digits than its factorization.

5423443440243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37835.

The product of its (nonzero) digits is 2211840, while the sum is 42.

Adding to 5423443440243 its reverse (3420443443245), we get a palindrome (8843886883488).

The spelling of 5423443440243 in words is "five trillion, four hundred twenty-three billion, four hundred forty-three million, four hundred forty thousand, two hundred forty-three".