323122320 has 120 divisors (see below), whose sum is σ = 1098429696. Its totient is φ = 85112064.

The previous prime is 323122313. The next prime is 323122351. The reversal of 323122320 is 23221323.

It is a happy number.

323122320 is a `hidden beast` number, since 32 + 312 + 2 + 320 = 666.

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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 323122293 and 323122302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57057 + ... + 62463.

Almost surely, 2^323122320 is an apocalyptic number.

323122320 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 323122320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549214848).

323122320 is an abundant number, since it is smaller than the sum of its proper divisors (775307376).

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

323122320 is a wasteful number, since it uses less digits than its factorization.

323122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509 (or 5500 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 323122320 is about 17975.6034669215. The cubic root of 323122320 is about 686.2078039489.

Adding to 323122320 its reverse (23221323), we get a palindrome (346343643).

The spelling of 323122320 in words is "three hundred twenty-three million, one hundred twenty-two thousand, three hundred twenty".