1323321323124 has 144 divisors (see below), whose sum is σ = 3296137162752. Its totient is φ = 413131243008.

The previous prime is 1323321323101. The next prime is 1323321323143. The reversal of 1323321323124 is 4213231233231.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1323321323091 and 1323321323100.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 823472329 + ... + 823473935.

It is an arithmetic number, because the mean of its divisors is an integer number (22889841408).

Almost surely, 2^{1323321323124} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323321323124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648068581376).

1323321323124 is an abundant number, since it is smaller than the sum of its proper divisors (1972815839628).

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

1323321323124 is a wasteful number, since it uses less digits than its factorization.

1323321323124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662 (or 2643 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

Adding to 1323321323124 its reverse (4213231233231), we get a palindrome (5536552556355).

The spelling of 1323321323124 in words is "one trillion, three hundred twenty-three billion, three hundred twenty-one million, three hundred twenty-three thousand, one hundred twenty-four".