1123311132300 has 144 divisors (see below), whose sum is σ = 3716561069312. Its totient is φ = 256608518400.

The previous prime is 1123311132271. The next prime is 1123311132313. The reversal of 1123311132300 is 32311133211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 47 ways as a sum of consecutive naturals, for example, 3502479 + ... + 3809721.

Almost surely, 2^{1123311132300} is an apocalyptic number.

1123311132300 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 1123311132300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1858280534656).

1123311132300 is an abundant number, since it is smaller than the sum of its proper divisors (2593249937012).

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

1123311132300 is a wasteful number, since it uses less digits than its factorization.

1123311132300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309008 (or 309001 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1123311132300 its reverse (32311133211), we get a palindrome (1155622265511).

The spelling of 1123311132300 in words is "one trillion, one hundred twenty-three billion, three hundred eleven million, one hundred thirty-two thousand, three hundred".