5423220243 has 32 divisors (see below), whose sum is σ = 9395724800. Its totient is φ = 3026909088.

The previous prime is 5423220241. The next prime is 5423220263. The reversal of 5423220243 is 3420223245.

It is a happy number.

It is not a de Polignac number, because 5423220243 - 2¹ = 5423220241 is a prime.

It is a super-2 number, since 2×5423220243² = 58822635608169958098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5423220241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325528 + ... + 341781.

It is an arithmetic number, because the mean of its divisors is an integer number (293616400).

Almost surely, 2^5423220243 is an apocalyptic number.

5423220243 is a deficient number, since it is larger than the sum of its proper divisors (3972504557).

5423220243 is a wasteful number, since it uses less digits than its factorization.

5423220243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667368 (or 667362 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 5423220243 is about 73642.5165444528. The cubic root of 5423220243 is about 1756.9217286701.

Adding to 5423220243 its reverse (3420223245), we get a palindrome (8843443488).

The spelling of 5423220243 in words is "five billion, four hundred twenty-three million, two hundred twenty thousand, two hundred forty-three".