323013680 has 80 divisors (see below), whose sum is σ = 862444800. Its totient is φ = 111271680.

The previous prime is 323013667. The next prime is 323013683. The reversal of 323013680 is 86310323.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (323013683) 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, 7061 + ... + 26379.

It is an arithmetic number, because the mean of its divisors is an integer number (10780560).

Almost surely, 2^323013680 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 323013680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431222400).

323013680 is an abundant number, since it is smaller than the sum of its proper divisors (539431120).

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

323013680 is a wasteful number, since it uses less digits than its factorization.

323013680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19362 (or 19356 counting only the distinct ones).

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

The square root of 323013680 is about 17972.5813393625. The cubic root of 323013680 is about 686.1308898643.

The spelling of 323013680 in words is "three hundred twenty-three million, thirteen thousand, six hundred eighty".