320313121201223 has 4 divisors (see below), whose sum is σ = 320546415537048. Its totient is φ = 320079826865400.

The previous prime is 320313121201123. The next prime is 320313121201237. The reversal of 320313121201223 is 322102121313023.

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

It is a cyclic number.

It is not a de Polignac number, because 320313121201223 - 2¹⁴ = 320313121184839 is a prime.

It is a super-2 number, since 2×320313121201223² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320313121201192 and 320313121201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320313121201273) 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, 116647165853 + ... + 116647168598.

It is an arithmetic number, because the mean of its divisors is an integer number (80136603884262).

Almost surely, 2^{320313121201223} is an apocalyptic number.

320313121201223 is a deficient number, since it is larger than the sum of its proper divisors (233294335825).

320313121201223 is a wasteful number, since it uses less digits than its factorization.

320313121201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233294335824.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 320313121201223 its reverse (322102121313023), we get a palindrome (642415242514246).

The spelling of 320313121201223 in words is "three hundred twenty trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred one thousand, two hundred twenty-three".