323820680 has 64 divisors (see below), whose sum is σ = 762860160. Its totient is φ = 123475968.

The previous prime is 323820661. The next prime is 323820683. The reversal of 323820680 is 86028323.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (323820683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480824 + ... + 481496.

It is an arithmetic number, because the mean of its divisors is an integer number (11919690).

Almost surely, 2^323820680 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 323820680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381430080).

323820680 is an abundant number, since it is smaller than the sum of its proper divisors (439039480).

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

323820680 is a wasteful number, since it uses less digits than its factorization.

323820680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 323820680 is about 17995.0181994907. The cubic root of 323820680 is about 686.7018121746.

The spelling of 323820680 in words is "three hundred twenty-three million, eight hundred twenty thousand, six hundred eighty".