320323113120 has 96 divisors (see below), whose sum is σ = 1015700273280. Its totient is φ = 84853785600.

The previous prime is 320323113083. The next prime is 320323113157. The reversal of 320323113120 is 21311323023.

It is an interprime number because it is at equal distance from previous prime (320323113083) and next prime (320323113157).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×320323113120² (a number of 24 digits) contains 22 as substring.

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 in 15 ways as a sum of consecutive naturals, for example, 2137255 + ... + 2282214.

It is an arithmetic number, because the mean of its divisors is an integer number (10580211180).

Almost surely, 2^320323113120 is an apocalyptic number.

320323113120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320323113120 is an abundant number, since it is smaller than the sum of its proper divisors (695377160160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320323113120 is a wasteful number, since it uses less digits than its factorization.

320323113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419638 (or 4419630 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 320323113120 its reverse (21311323023), we get a palindrome (341634436143).

The spelling of 320323113120 in words is "three hundred twenty billion, three hundred twenty-three million, one hundred thirteen thousand, one hundred twenty".