323000220 has 48 divisors (see below), whose sum is σ = 919739520. Its totient is φ = 84672576.

The previous prime is 323000207. The next prime is 323000261. The reversal of 323000220 is 22000323.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 323000196 and 323000205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42082 + ... + 49161.

It is an arithmetic number, because the mean of its divisors is an integer number (19161240).

Almost surely, 2^323000220 is an apocalyptic number.

323000220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323000220 is an abundant number, since it is smaller than the sum of its proper divisors (596739300).

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

323000220 is a wasteful number, since it uses less digits than its factorization.

323000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91314 (or 91312 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 323000220 is about 17972.2068761741. The cubic root of 323000220 is about 686.1213593598.

Adding to 323000220 its reverse (22000323), we get a palindrome (345000543).

The spelling of 323000220 in words is "three hundred twenty-three million, two hundred twenty", and thus it is an aban number.