4432421323 has 16 divisors (see below), whose sum is σ = 5085545472. Its totient is φ = 3825900000.

The previous prime is 4432421309. The next prime is 4432421341. The reversal of 4432421323 is 3231242344.

It is a cyclic number.

It is not a de Polignac number, because 4432421323 - 2¹³ = 4432413131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4432421291 and 4432421300.

It is not an unprimeable number, because it can be changed into a prime (4432451323) 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 15 ways as a sum of consecutive naturals, for example, 104553 + ... + 140698.

It is an arithmetic number, because the mean of its divisors is an integer number (317846592).

Almost surely, 2^4432421323 is an apocalyptic number.

4432421323 is a deficient number, since it is larger than the sum of its proper divisors (653124149).

4432421323 is a wasteful number, since it uses less digits than its factorization.

4432421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245346.

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

The square root of 4432421323 is about 66576.4321888760. The cubic root of 4432421323 is about 1642.6574656188.

Adding to 4432421323 its reverse (3231242344), we get a palindrome (7663663667).

The spelling of 4432421323 in words is "four billion, four hundred thirty-two million, four hundred twenty-one thousand, three hundred twenty-three".