1123320032000 has 72 divisors (see below), whose sum is σ = 2798330694432. Its totient is φ = 449328000000.

The previous prime is 1123320031991. The next prime is 1123320032033. The reversal of 1123320032000 is 2300233211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123320032000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17519876 + ... + 17583875.

Almost surely, 2^{1123320032000} is an apocalyptic number.

1123320032000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123320032000 is an abundant number, since it is smaller than the sum of its proper divisors (1675010662432).

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

1123320032000 is an frugal number, since it uses more digits than its factorization.

1123320032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35103782 (or 35103758 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1123320032000 its reverse (2300233211), we get a palindrome (1125620265211).

The spelling of 1123320032000 in words is "one trillion, one hundred twenty-three billion, three hundred twenty million, thirty-two thousand".