1123003102320 has 480 divisors, whose sum is σ = 4296616856064. Its totient is φ = 260196710400.

The previous prime is 1123003102307. The next prime is 1123003102321. The reversal of 1123003102320 is 232013003211.

1123003102320 is a `hidden beast` number, since 1 + 1 + 2 + 30 + 0 + 310 + 2 + 320 = 666.

It is a super-2 number, since 2×1123003102320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1123003102293 and 1123003102302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123003102321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 439186482 + ... + 439189038.

Almost surely, 2^{1123003102320} is an apocalyptic number.

1123003102320 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 1123003102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2148308428032).

1123003102320 is an abundant number, since it is smaller than the sum of its proper divisors (3173613753744).

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

1123003102320 is a wasteful number, since it uses less digits than its factorization.

1123003102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021 (or 5012 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1123003102320 its reverse (232013003211), we get a palindrome (1355016105531).

The spelling of 1123003102320 in words is "one trillion, one hundred twenty-three billion, three million, one hundred two thousand, three hundred twenty".