320110021200123 has 96 divisors (see below), whose sum is σ = 620943823798272. Its totient is φ = 153929883729600.

The previous prime is 320110021200007. The next prime is 320110021200127. The reversal of 320110021200123 is 321002120011023.

320110021200123 is a `hidden beast` number, since 320 + 1 + 1 + 0 + 0 + 21 + 200 + 123 = 666.

It is not a de Polignac number, because 320110021200123 - 2²⁰ = 320110020151547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320110021200096 and 320110021200105.

It is not an unprimeable number, because it can be changed into a prime (320110021200127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 323432415 + ... + 324420632.

It is an arithmetic number, because the mean of its divisors is an integer number (6468164831232).

Almost surely, 2^{320110021200123} is an apocalyptic number.

320110021200123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

320110021200123 is a deficient number, since it is larger than the sum of its proper divisors (300833802598149).

320110021200123 is a wasteful number, since it uses less digits than its factorization.

320110021200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647853125 (or 647853122 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 320110021200123 its reverse (321002120011023), we get a palindrome (641112141211146).

The spelling of 320110021200123 in words is "three hundred twenty trillion, one hundred ten billion, twenty-one million, two hundred thousand, one hundred twenty-three".