1123282318444 has 48 divisors (see below), whose sum is σ = 2312219490336. Its totient is φ = 470733004800.

The previous prime is 1123282318441. The next prime is 1123282318453. The reversal of 1123282318444 is 4448132823211.

It is a super-2 number, since 2×1123282318444² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123282318444.

It is not an unprimeable number, because it can be changed into a prime (1123282318441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726357 + ... + 1665580.

It is an arithmetic number, because the mean of its divisors is an integer number (48171239382).

Almost surely, 2^{1123282318444} is an apocalyptic number.

It is an amenable number.

1123282318444 is an abundant number, since it is smaller than the sum of its proper divisors (1188937171892).

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

1123282318444 is a wasteful number, since it uses less digits than its factorization.

1123282318444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392786 (or 2392784 counting only the distinct ones).

The product of its digits is 294912, while the sum is 43.

The spelling of 1123282318444 in words is "one trillion, one hundred twenty-three billion, two hundred eighty-two million, three hundred eighteen thousand, four hundred forty-four".