320120303021023 has 4 divisors (see below), whose sum is σ = 320172859307368. Its totient is φ = 320067746734680.

The previous prime is 320120303020979. The next prime is 320120303021027.

320120303021023 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320120303021023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320120303020985 and 320120303021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320120303021027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26278134036 + ... + 26278146217.

It is an arithmetic number, because the mean of its divisors is an integer number (80043214826842).

Almost surely, 2^{320120303021023} is an apocalyptic number.

320120303021023 is a deficient number, since it is larger than the sum of its proper divisors (52556286345).

320120303021023 is an equidigital number, since it uses as much as digits as its factorization.

320120303021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52556286344.

The product of its (nonzero) digits is 1296, while the sum is 22.

It can be divided in two parts, 32012030 and 3021023, that added together give a palindrome (35033053).

The spelling of 320120303021023 in words is "three hundred twenty trillion, one hundred twenty billion, three hundred three million, twenty-one thousand, twenty-three".