323520012 has 36 divisors (see below), whose sum is σ = 837736536. Its totient is φ = 105209280.

The previous prime is 323519993. The next prime is 323520023. The reversal of 323520012 is 210025323.

323520012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108118 + ... + 111069.

Almost surely, 2^323520012 is an apocalyptic number.

It is an amenable number.

323520012 is an abundant number, since it is smaller than the sum of its proper divisors (514216524).

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

323520012 is a wasteful number, since it uses less digits than its factorization.

323520012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219238 (or 219233 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 323520012 is about 17986.6620583142. The cubic root of 323520012 is about 686.4892117977.

Adding to 323520012 its reverse (210025323), we get a palindrome (533545335).

The spelling of 323520012 in words is "three hundred twenty-three million, five hundred twenty thousand, twelve".