1323403323020 has 12 divisors (see below), whose sum is σ = 2779146978384. Its totient is φ = 529361329200.

The previous prime is 1323403323013. The next prime is 1323403323029. The reversal of 1323403323020 is 203233043231.

It is not an unprimeable number, because it can be changed into a prime (1323403323029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33085083056 + ... + 33085083095.

It is an arithmetic number, because the mean of its divisors is an integer number (231595581532).

Almost surely, 2^{1323403323020} is an apocalyptic number.

1323403323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323403323020 is an abundant number, since it is smaller than the sum of its proper divisors (1455743655364).

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

1323403323020 is a wasteful number, since it uses less digits than its factorization.

1323403323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66170166160 (or 66170166158 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 1323403323020 its reverse (203233043231), we get a palindrome (1526636366251).

The spelling of 1323403323020 in words is "one trillion, three hundred twenty-three billion, four hundred three million, three hundred twenty-three thousand, twenty".