320023000120121 has 8 divisors (see below), whose sum is σ = 320757171250560. Its totient is φ = 319288852578528.

The previous prime is 320023000120099. The next prime is 320023000120127. The reversal of 320023000120121 is 121021000320023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320023000120121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320023000120121.

It is not an unprimeable number, because it can be changed into a prime (320023000120127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21412220 + ... + 33144066.

It is an arithmetic number, because the mean of its divisors is an integer number (40094646406320).

Almost surely, 2^{320023000120121} is an apocalyptic number.

It is an amenable number.

320023000120121 is a deficient number, since it is larger than the sum of its proper divisors (734171130439).

320023000120121 is a wasteful number, since it uses less digits than its factorization.

320023000120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11794423.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 320023000120121 its reverse (121021000320023), we get a palindrome (441044000440144).

The spelling of 320023000120121 in words is "three hundred twenty trillion, twenty-three billion, one hundred twenty thousand, one hundred twenty-one".