323203321020 has 48 divisors (see below), whose sum is σ = 958202790048. Its totient is φ = 81117696000.

The previous prime is 323203321009. The next prime is 323203321027. The reversal of 323203321020 is 20123302323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323203321027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158431981 + ... + 158434020.

It is an arithmetic number, because the mean of its divisors is an integer number (19962558126).

Almost surely, 2^323203321020 is an apocalyptic number.

323203321020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323203321020 is an abundant number, since it is smaller than the sum of its proper divisors (634999469028).

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

323203321020 is a wasteful number, since it uses less digits than its factorization.

323203321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316866030 (or 316866028 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 323203321020 its reverse (20123302323), we get a palindrome (343326623343).

The spelling of 323203321020 in words is "three hundred twenty-three billion, two hundred three million, three hundred twenty-one thousand, twenty".