320044440023 has 8 divisors (see below), whose sum is σ = 399016444800. Its totient is φ = 249385277880.

The previous prime is 320044440013. The next prime is 320044440043.

320044440023 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320044440023 - 2¹⁶ = 320044374487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320044439974 and 320044440001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320044440013) 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 7 ways as a sum of consecutive naturals, for example, 2078210573 + ... + 2078210726.

It is an arithmetic number, because the mean of its divisors is an integer number (49877055600).

Almost surely, 2^320044440023 is an apocalyptic number.

320044440023 is a deficient number, since it is larger than the sum of its proper divisors (78972004777).

320044440023 is a wasteful number, since it uses less digits than its factorization.

320044440023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156421317.

The product of its (nonzero) digits is 9216, while the sum is 26.

It can be divided in two parts, 320044 and 440023, that added together give a palindrome (760067).

The spelling of 320044440023 in words is "three hundred twenty billion, forty-four million, four hundred forty thousand, twenty-three".