2003112123 has 8 divisors (see below), whose sum is σ = 2702995008. Its totient is φ = 1319318664.

The previous prime is 2003112119. The next prime is 2003112149. The reversal of 2003112123 is 3212113002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2003112123 - 2² = 2003112119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003116123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4022065 + ... + 4022562.

It is an arithmetic number, because the mean of its divisors is an integer number (337874376).

Almost surely, 2^2003112123 is an apocalyptic number.

2003112123 is a deficient number, since it is larger than the sum of its proper divisors (699882885).

2003112123 is an equidigital number, since it uses as much as digits as its factorization.

2003112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044713.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2003112123 is about 44756.1406177968. The cubic root of 2003112123 is about 1260.5742161026.

Adding to 2003112123 its reverse (3212113002), we get a palindrome (5215225125).

The spelling of 2003112123 in words is "two billion, three million, one hundred twelve thousand, one hundred twenty-three".