323203023220 has 96 divisors (see below), whose sum is σ = 846334976256. Its totient is φ = 100723046400.

The previous prime is 323203023181. The next prime is 323203023229. The reversal of 323203023220 is 22320302323.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 323203023191 and 323203023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323203023229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13757404 + ... + 13780876.

It is an arithmetic number, because the mean of its divisors is an integer number (8815989336).

Almost surely, 2^323203023220 is an apocalyptic number.

It is an amenable number.

323203023220 is an abundant number, since it is smaller than the sum of its proper divisors (523131953036).

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

323203023220 is a wasteful number, since it uses less digits than its factorization.

323203023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32441 (or 32439 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 323203023220 its reverse (22320302323), we get a palindrome (345523325543).

The spelling of 323203023220 in words is "three hundred twenty-three billion, two hundred three million, twenty-three thousand, two hundred twenty".