1123300320144 has 80 divisors (see below), whose sum is σ = 3052977930240. Its totient is φ = 355427896320.

The previous prime is 1123300320097. The next prime is 1123300320193. The reversal of 1123300320144 is 4410230033211.

It is a happy number.

It is a super-2 number, since 2×1123300320144² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7640464 + ... + 7786095.

It is an arithmetic number, because the mean of its divisors is an integer number (38162224128).

Almost surely, 2^{1123300320144} is an apocalyptic number.

It is an amenable number.

1123300320144 is an abundant number, since it is smaller than the sum of its proper divisors (1929677610096).

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

1123300320144 is a wasteful number, since it uses less digits than its factorization.

1123300320144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15426648 (or 15426642 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1123300320144 its reverse (4410230033211), we get a palindrome (5533530353355).

The spelling of 1123300320144 in words is "one trillion, one hundred twenty-three billion, three hundred million, three hundred twenty thousand, one hundred forty-four".