1123031100320 has 192 divisors, whose sum is σ = 2844946177920. Its totient is φ = 417439383552.

The previous prime is 1123031100287. The next prime is 1123031100461. The reversal of 1123031100320 is 230011303211.

It is a super-2 number, since 2×1123031100320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89342996 + ... + 89355564.

It is an arithmetic number, because the mean of its divisors is an integer number (14817428010).

Almost surely, 2^{1123031100320} is an apocalyptic number.

1123031100320 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 1123031100320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422473088960).

1123031100320 is an abundant number, since it is smaller than the sum of its proper divisors (1721915077600).

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

1123031100320 is a wasteful number, since it uses less digits than its factorization.

1123031100320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13015 (or 13007 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1123031100320 its reverse (230011303211), we get a palindrome (1353042403531).

The spelling of 1123031100320 in words is "one trillion, one hundred twenty-three billion, thirty-one million, one hundred thousand, three hundred twenty".