1123421344332 has 192 divisors, whose sum is σ = 3121724928000. Its totient is φ = 307745961984.

The previous prime is 1123421344321. The next prime is 1123421344337. The reversal of 1123421344332 is 2334431243211.

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 = 1123421344293 and 1123421344302.

It is not an unprimeable number, because it can be changed into a prime (1123421344337) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 453539878 + ... + 453542354.

It is an arithmetic number, because the mean of its divisors is an integer number (16258984000).

Almost surely, 2^{1123421344332} is an apocalyptic number.

1123421344332 is a gapful number since it is divisible by the number (12) 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 1123421344332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560862464000).

1123421344332 is an abundant number, since it is smaller than the sum of its proper divisors (1998303583668).

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

1123421344332 is a wasteful number, since it uses less digits than its factorization.

1123421344332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600 (or 4598 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

Adding to 1123421344332 its reverse (2334431243211), we get a palindrome (3457852587543).

The spelling of 1123421344332 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-one million, three hundred forty-four thousand, three hundred thirty-two".