323223420 has 48 divisors (see below), whose sum is σ = 974645280. Its totient is φ = 79562496.

The previous prime is 323223419. The next prime is 323223449. The reversal of 323223420 is 24322323.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206415 + ... + 207974.

It is an arithmetic number, because the mean of its divisors is an integer number (20305110).

Almost surely, 2^323223420 is an apocalyptic number.

323223420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323223420 is an abundant number, since it is smaller than the sum of its proper divisors (651421860).

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

323223420 is a wasteful number, since it uses less digits than its factorization.

323223420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414414 (or 414412 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 323223420 is about 17978.4153917969. The cubic root of 323223420 is about 686.2793644390.

Adding to 323223420 its reverse (24322323), we get a palindrome (347545743).

The spelling of 323223420 in words is "three hundred twenty-three million, two hundred twenty-three thousand, four hundred twenty".