1123223322320 has 160 divisors (see below), whose sum is σ = 2911709638656. Its totient is φ = 399453401600.

The previous prime is 1123223322301. The next prime is 1123223322341. The reversal of 1123223322320 is 232233223211.

It is a super-2 number, since 2×1123223322320² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123223322320.

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 31 ways as a sum of consecutive naturals, for example, 59011205 + ... + 59030235.

Almost surely, 2^{1123223322320} is an apocalyptic number.

1123223322320 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 1123223322320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1455854819328).

1123223322320 is an abundant number, since it is smaller than the sum of its proper divisors (1788486316336).

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

1123223322320 is a wasteful number, since it uses less digits than its factorization.

1123223322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20529 (or 20523 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1123223322320 its reverse (232233223211), we get a palindrome (1355456545531).

It can be divided in two parts, 1 and 123223322320, that added together give a palindrome (123223322321).

The spelling of 1123223322320 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-three million, three hundred twenty-two thousand, three hundred twenty".