1323103122000 has 480 divisors, whose sum is σ = 5069253047040. Its totient is φ = 318971520000.

The previous prime is 1323103121971. The next prime is 1323103122007. The reversal of 1323103122000 is 2213013231.

1323103122000 is a `hidden beast` number, since 1 + 323 + 10 + 312 + 20 + 0 + 0 = 666.

It is a super-2 number, since 2×1323103122000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323103122007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35819541 + ... + 35856459.

It is an arithmetic number, because the mean of its divisors is an integer number (10560943848).

Almost surely, 2^{1323103122000} is an apocalyptic number.

1323103122000 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 1323103122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2534626523520).

1323103122000 is an abundant number, since it is smaller than the sum of its proper divisors (3746149925040).

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

1323103122000 is a wasteful number, since it uses less digits than its factorization.

1323103122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37140 (or 37121 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1323103122000 its reverse (2213013231), we get a palindrome (1325316135231).

The spelling of 1323103122000 in words is "one trillion, three hundred twenty-three billion, one hundred three million, one hundred twenty-two thousand".