320440044023 has 8 divisors (see below), whose sum is σ = 349834402560. Its totient is φ = 291089593080.

The previous prime is 320440044017. The next prime is 320440044049.

320440044023 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 320440044023 - 2¹⁶ = 320439978487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320440043983 and 320440044001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320440043023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10961633 + ... + 10990826.

It is an arithmetic number, because the mean of its divisors is an integer number (43729300320).

Almost surely, 2^320440044023 is an apocalyptic number.

320440044023 is a deficient number, since it is larger than the sum of its proper divisors (29394358537).

320440044023 is a wasteful number, since it uses less digits than its factorization.

320440044023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21953797.

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

It can be divided in two parts, 3204400 and 44023, that added together give a palindrome (3248423).

The spelling of 320440044023 in words is "three hundred twenty billion, four hundred forty million, forty-four thousand, twenty-three".