1223333223200 has 144 divisors (see below), whose sum is σ = 3259045782720. Its totient is φ = 444700032000.

The previous prime is 1223333223199. The next prime is 1223333223227. The reversal of 1223333223200 is 23223333221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223333223200.

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 23 ways as a sum of consecutive naturals, for example, 28323221 + ... + 28366379.

It is an arithmetic number, because the mean of its divisors is an integer number (22632262380).

Almost surely, 2^{1223333223200} is an apocalyptic number.

1223333223200 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 1223333223200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629522891360).

1223333223200 is an abundant number, since it is smaller than the sum of its proper divisors (2035712559520).

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

1223333223200 is a wasteful number, since it uses less digits than its factorization.

1223333223200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46411 (or 46398 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 1223333223200 its reverse (23223333221), we get a palindrome (1246556556421).

The spelling of 1223333223200 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-three million, two hundred twenty-three thousand, two hundred".