320023111332 has 24 divisors (see below), whose sum is σ = 770808355072. Its totient is φ = 103233261600.

The previous prime is 320023111241. The next prime is 320023111333. The reversal of 320023111332 is 233111320023.

It is a super-2 number, since 2×320023111332² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320023111299 and 320023111308.

It is not an unprimeable number, because it can be changed into a prime (320023111333) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 430138219 + ... + 430138962.

Almost surely, 2^320023111332 is an apocalyptic number.

It is an amenable number.

320023111332 is an abundant number, since it is smaller than the sum of its proper divisors (450785243740).

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

320023111332 is a wasteful number, since it uses less digits than its factorization.

320023111332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860277219 (or 860277217 counting only the distinct ones).

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

Adding to 320023111332 its reverse (233111320023), we get a palindrome (553134431355).

The spelling of 320023111332 in words is "three hundred twenty billion, twenty-three million, one hundred eleven thousand, three hundred thirty-two".