1323013220232 has 32 divisors (see below), whose sum is σ = 3608217874080. Its totient is φ = 400913096960.

The previous prime is 1323013220227. The next prime is 1323013220233. The reversal of 1323013220232 is 2320223103231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1323013220233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2505706593 + ... + 2505707120.

It is an arithmetic number, because the mean of its divisors is an integer number (112756808565).

Almost surely, 2^{1323013220232} is an apocalyptic number.

1323013220232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323013220232 is an abundant number, since it is smaller than the sum of its proper divisors (2285204653848).

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

1323013220232 is a wasteful number, since it uses less digits than its factorization.

1323013220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011413733 (or 5011413729 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1323013220232 its reverse (2320223103231), we get a palindrome (3643236323463).

It can be divided in two parts, 132301 and 3220232, that added together give a palindrome (3352533).

The spelling of 1323013220232 in words is "one trillion, three hundred twenty-three billion, thirteen million, two hundred twenty thousand, two hundred thirty-two".