323504820 has 96 divisors (see below), whose sum is σ = 1009559040. Its totient is φ = 86002560.

The previous prime is 323504771. The next prime is 323504837. The reversal of 323504820 is 28405323.

323504820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226629 + ... + 228051.

It is an arithmetic number, because the mean of its divisors is an integer number (10516240).

Almost surely, 2^323504820 is an apocalyptic number.

323504820 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 323504820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504779520).

323504820 is an abundant number, since it is smaller than the sum of its proper divisors (686054220).

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

323504820 is a wasteful number, since it uses less digits than its factorization.

323504820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 323504820 is about 17986.2397404238. The cubic root of 323504820 is about 686.4784661386.

The spelling of 323504820 in words is "three hundred twenty-three million, five hundred four thousand, eight hundred twenty".