320123023012 has 48 divisors (see below), whose sum is σ = 617419756800. Its totient is φ = 144331528320.

The previous prime is 320123022997. The next prime is 320123023013. The reversal of 320123023012 is 210320321023.

It is not an unprimeable number, because it can be changed into a prime (320123023013) 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 15 ways as a sum of consecutive naturals, for example, 4689 + ... + 800167.

It is an arithmetic number, because the mean of its divisors is an integer number (12862911600).

Almost surely, 2^320123023012 is an apocalyptic number.

It is an amenable number.

320123023012 is a deficient number, since it is larger than the sum of its proper divisors (297296733788).

320123023012 is a wasteful number, since it uses less digits than its factorization.

320123023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795676 (or 795674 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320123023012 its reverse (210320321023), we get a palindrome (530443344035).

The spelling of 320123023012 in words is "three hundred twenty billion, one hundred twenty-three million, twenty-three thousand, twelve".