323303430 has 64 divisors (see below), whose sum is σ = 820316160. Its totient is φ = 81321984.

The previous prime is 323303401. The next prime is 323303473. The reversal of 323303430 is 34303323.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 323303397 and 323303406.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 145387 + ... + 147593.

It is an arithmetic number, because the mean of its divisors is an integer number (12817440).

Almost surely, 2^323303430 is an apocalyptic number.

323303430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 323303430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410158080).

323303430 is an abundant number, since it is smaller than the sum of its proper divisors (497012730).

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

323303430 is a wasteful number, since it uses less digits than its factorization.

323303430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493.

The product of its (nonzero) digits is 1944, while the sum is 21.

The square root of 323303430 is about 17980.6404224099. The cubic root of 323303430 is about 686.3359864518.

Adding to 323303430 its reverse (34303323), we get a palindrome (357606753).

The spelling of 323303430 in words is "three hundred twenty-three million, three hundred three thousand, four hundred thirty".