320032323100 has 108 divisors (see below), whose sum is σ = 816182615136. Its totient is φ = 108594017280.

The previous prime is 320032323089. The next prime is 320032323109. The reversal of 320032323100 is 1323230023.

It is a happy number.

It is a super-3 number, since 3×320032323100³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320032323109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 138637 + ... + 811963.

Almost surely, 2^320032323100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320032323100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408091307568).

320032323100 is an abundant number, since it is smaller than the sum of its proper divisors (496150292036).

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

320032323100 is a wasteful number, since it uses less digits than its factorization.

320032323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673452 (or 673438 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 320032323100 its reverse (1323230023), we get a palindrome (321355553123).

The spelling of 320032323100 in words is "three hundred twenty billion, thirty-two million, three hundred twenty-three thousand, one hundred".