4423431223 has 4 divisors (see below), whose sum is σ = 4425259248. Its totient is φ = 4421603200.

The previous prime is 4423431193. The next prime is 4423431239. The reversal of 4423431223 is 3221343244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4423431223 - 2¹³ = 4423423031 is a prime.

It is a super-2 number, since 2×4423431223² = 39133487569222551458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4423431191 and 4423431200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423431293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910378 + ... + 915223.

It is an arithmetic number, because the mean of its divisors is an integer number (1106314812).

Almost surely, 2^4423431223 is an apocalyptic number.

4423431223 is a deficient number, since it is larger than the sum of its proper divisors (1828025).

4423431223 is a wasteful number, since it uses less digits than its factorization.

4423431223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828024.

The product of its digits is 13824, while the sum is 28.

The square root of 4423431223 is about 66508.8807829451. The cubic root of 4423431223 is about 1641.5461354690.

Adding to 4423431223 its reverse (3221343244), we get a palindrome (7644774467).

It can be divided in two parts, 44234 and 31223, that added together give a palindrome (75457).

The spelling of 4423431223 in words is "four billion, four hundred twenty-three million, four hundred thirty-one thousand, two hundred twenty-three".