323232420 has 72 divisors (see below), whose sum is σ = 1052823744. Its totient is φ = 73881024.

The previous prime is 323232383. The next prime is 323232431. The reversal of 323232420 is 24232323.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52032 + ... + 57911.

It is an arithmetic number, because the mean of its divisors is an integer number (14622552).

Almost surely, 2^323232420 is an apocalyptic number.

323232420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323232420 is an abundant number, since it is smaller than the sum of its proper divisors (729591324).

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

323232420 is a wasteful number, since it uses less digits than its factorization.

323232420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109969 (or 109960 counting only the distinct ones).

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

The square root of 323232420 is about 17978.6656902007. The cubic root of 323232420 is about 686.2857340857.

Adding to 323232420 its reverse (24232323), we get a palindrome (347464743).

It can be divided in two parts, 32323 and 2420, that added together give a palindrome (34743).

The spelling of 323232420 in words is "three hundred twenty-three million, two hundred thirty-two thousand, four hundred twenty".