4442431323 has 32 divisors (see below), whose sum is σ = 6794208000. Its totient is φ = 2556892800.

The previous prime is 4442431321. The next prime is 4442431333. The reversal of 4442431323 is 3231342444.

It is a happy number.

It is not a de Polignac number, because 4442431323 - 2¹ = 4442431321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4442431321) 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, 20328 + ... + 96426.

It is an arithmetic number, because the mean of its divisors is an integer number (212319000).

Almost surely, 2^4442431323 is an apocalyptic number.

4442431323 is a deficient number, since it is larger than the sum of its proper divisors (2351776677).

4442431323 is a wasteful number, since it uses less digits than its factorization.

4442431323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76203.

The product of its digits is 27648, while the sum is 30.

The square root of 4442431323 is about 66651.5665457309. The cubic root of 4442431323 is about 1643.8931061767.

Adding to 4442431323 its reverse (3231342444), we get a palindrome (7673773767).

The spelling of 4442431323 in words is "four billion, four hundred forty-two million, four hundred thirty-one thousand, three hundred twenty-three".