320423604016 has 20 divisors (see below), whose sum is σ = 620938900224. Its totient is φ = 160181307200.

The previous prime is 320423604013. The next prime is 320423604041. The reversal of 320423604016 is 610406324023.

It is not an unprimeable number, because it can be changed into a prime (320423604013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819120 + ... + 1987471.

Almost surely, 2^320423604016 is an apocalyptic number.

It is an amenable number.

320423604016 is a deficient number, since it is larger than the sum of its proper divisors (300515296208).

320423604016 is a wasteful number, since it uses less digits than its factorization.

320423604016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811860 (or 3811854 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 320423604016 its reverse (610406324023), we get a palindrome (930829928039).

The spelling of 320423604016 in words is "three hundred twenty billion, four hundred twenty-three million, six hundred four thousand, sixteen".