1123434411112 has 64 divisors (see below), whose sum is σ = 2285697229200. Its totient is φ = 514600934400.

The previous prime is 1123434411107. The next prime is 1123434411137. The reversal of 1123434411112 is 2111144343211.

It can be written as a sum of positive squares in 8 ways, for example, as 3617541316 + 1119816869796 = 60146^2 + 1058214^2 .

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, 267418612 + ... + 267422812.

Almost surely, 2^{1123434411112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123434411112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142848614600).

1123434411112 is an abundant number, since it is smaller than the sum of its proper divisors (1162262818088).

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

1123434411112 is an frugal number, since it uses more digits than its factorization.

1123434411112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631 (or 4353 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

Adding to 1123434411112 its reverse (2111144343211), we get a palindrome (3234578754323).

The spelling of 1123434411112 in words is "one trillion, one hundred twenty-three billion, four hundred thirty-four million, four hundred eleven thousand, one hundred twelve".