320023342144 has 112 divisors (see below), whose sum is σ = 697354431552. Its totient is φ = 144506880000.

The previous prime is 320023342087. The next prime is 320023342147. The reversal of 320023342144 is 441243320023.

It is not an unprimeable number, because it can be changed into a prime (320023342147) 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, 95215024 + ... + 95218384.

Almost surely, 2^320023342144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320023342144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348677215776).

320023342144 is an abundant number, since it is smaller than the sum of its proper divisors (377331089408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320023342144 is a wasteful number, since it uses less digits than its factorization.

320023342144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236 (or 4226 counting only the distinct ones).

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

Adding to 320023342144 its reverse (441243320023), we get a palindrome (761266662167).

The spelling of 320023342144 in words is "three hundred twenty billion, twenty-three million, three hundred forty-two thousand, one hundred forty-four".