1323112130340 has 288 divisors, whose sum is σ = 5001494916096. Its totient is φ = 253783595520.

The previous prime is 1323112130299. The next prime is 1323112130371. The reversal of 1323112130340 is 430312113231.

It is a self number, because there is not a number n which added to its sum of digits gives 1323112130340.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66522 + ... + 1628081.

It is an arithmetic number, because the mean of its divisors is an integer number (17366301792).

Almost surely, 2^{1323112130340} is an apocalyptic number.

1323112130340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323112130340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2500747458048).

1323112130340 is an abundant number, since it is smaller than the sum of its proper divisors (3678382785756).

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

1323112130340 is a wasteful number, since it uses less digits than its factorization.

1323112130340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694659 (or 1694644 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1323112130340 its reverse (430312113231), we get a palindrome (1753424243571).

The spelling of 1323112130340 in words is "one trillion, three hundred twenty-three billion, one hundred twelve million, one hundred thirty thousand, three hundred forty".