123003112 has 16 divisors (see below), whose sum is σ = 242769600. Its totient is φ = 58264560.

The previous prime is 123003061. The next prime is 123003217. The reversal of 123003112 is 211300321.

It is a junction number, because it is equal to n+sod(n) for n = 123003092 and 123003101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404464 + ... + 404767.

It is an arithmetic number, because the mean of its divisors is an integer number (15173100).

Almost surely, 2^123003112 is an apocalyptic number.

It is an amenable number.

123003112 is a deficient number, since it is larger than the sum of its proper divisors (119766488).

123003112 is a wasteful number, since it uses less digits than its factorization.

123003112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809256 (or 809252 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 123003112 is about 11090.6768053172. The cubic root of 123003112 is about 497.3231774830.

Adding to 123003112 its reverse (211300321), we get a palindrome (334303433).

The spelling of 123003112 in words is "one hundred twenty-three million, three thousand, one hundred twelve".