320123120104 has 8 divisors (see below), whose sum is σ = 600230850210. Its totient is φ = 160061560048.

The previous prime is 320123120087. The next prime is 320123120147. The reversal of 320123120104 is 401021321023.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 299539479204 + 20583640900 = 547302^2 + 143470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20007694999 + ... + 20007695014.

Almost surely, 2^320123120104 is an apocalyptic number.

It is an amenable number.

320123120104 is a deficient number, since it is larger than the sum of its proper divisors (280107730106).

320123120104 is a wasteful number, since it uses less digits than its factorization.

320123120104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40015390019 (or 40015390015 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 320123120104 its reverse (401021321023), we get a palindrome (721144441127).

The spelling of 320123120104 in words is "three hundred twenty billion, one hundred twenty-three million, one hundred twenty thousand, one hundred four".