123300112 has 40 divisors (see below), whose sum is σ = 266154840.
Its totient is φ = 54942720.
The previous prime is 123300071. The next prime is 123300131. The reversal of 123300112 is 211003321.
It can be written as a sum of positive squares in 4 ways, for example, as 18524416 + 104775696 = 4304^2 + 10236^2
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a junction number, because it is equal to n+sod(n) for n = 123300092 and 123300101.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4189 + ... + 16252.
It is an arithmetic number, because the mean of its divisors is an integer number (6653871).
Almost surely, 2123300112 is an apocalyptic number.
It is an amenable number.
123300112 is an abundant number, since it is smaller than the sum of its proper divisors (142854728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123300112 is a wasteful number, since it uses less digits than its factorization.
123300112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20491 (or 20485 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 123300112 is about 11104.0583571954.
The cubic root of 123300112 is about 497.7231301320.
Adding to 123300112 its reverse (211003321), we get a palindrome (334303433).
The spelling of 123300112 in words is "one hundred twenty-three million, three hundred thousand, one hundred twelve".