323220000 has 120 divisors (see below), whose sum is σ = 1060423056. Its totient is φ = 86176000.

The previous prime is 323219971. The next prime is 323220013. The reversal of 323220000 is 22323.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57307 + ... + 62693.

Almost surely, 2^323220000 is an apocalyptic number.

323220000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530211528).

323220000 is an abundant number, since it is smaller than the sum of its proper divisors (737203056).

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

323220000 is an equidigital number, since it uses as much as digits as its factorization.

323220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420 (or 5397 counting only the distinct ones).

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

The square root of 323220000 is about 17978.3202774898. The cubic root of 323220000 is about 686.2769439423.

Adding to 323220000 its reverse (22323), we get a palindrome (323242323).

It can be divided in two parts, 3232 and 20000, that added together give a palindrome (23232).

The spelling of 323220000 in words is "three hundred twenty-three million, two hundred twenty thousand".