320123232112 has 20 divisors (see below), whose sum is σ = 620494817040. Its totient is φ = 159995537408.

The previous prime is 320123232109. The next prime is 320123232167. The reversal of 320123232112 is 211232321023.

It is a congruent number.

It is an unprimeable number.

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, 4089937 + ... + 4167472.

It is an arithmetic number, because the mean of its divisors is an integer number (31024740852).

Almost surely, 2^320123232112 is an apocalyptic number.

It is an amenable number.

320123232112 is a deficient number, since it is larger than the sum of its proper divisors (300371584928).

320123232112 is a wasteful number, since it uses less digits than its factorization.

320123232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8259840 (or 8259834 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 320123232112 its reverse (211232321023), we get a palindrome (531355553135).

The spelling of 320123232112 in words is "three hundred twenty billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred twelve".