4430313231323 has 4 divisors (see below), whose sum is σ = 5063215121520. Its totient is φ = 3797411341128.

The previous prime is 4430313231313. The next prime is 4430313231329. The reversal of 4430313231323 is 3231323130344.

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 4430313231323 - 2²² = 4430309037019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4430313231323.

It is not an unprimeable number, because it can be changed into a prime (4430313231329) 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, 316450945088 + ... + 316450945101.

It is an arithmetic number, because the mean of its divisors is an integer number (1265803780380).

Almost surely, 2^{4430313231323} is an apocalyptic number.

4430313231323 is a deficient number, since it is larger than the sum of its proper divisors (632901890197).

4430313231323 is an equidigital number, since it uses as much as digits as its factorization.

4430313231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632901890196.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 4430313231323 its reverse (3231323130344), we get a palindrome (7661636361667).

The spelling of 4430313231323 in words is "four trillion, four hundred thirty billion, three hundred thirteen million, two hundred thirty-one thousand, three hundred twenty-three".