2003130112123 has 16 divisors (see below), whose sum is σ = 2408509785024. Its totient is φ = 1629818634240.

The previous prime is 2003130112117. The next prime is 2003130112213. The reversal of 2003130112123 is 3212110313002.

It is a cyclic number.

It is not a de Polignac number, because 2003130112123 - 2⁵ = 2003130112091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2003130112123.

It is not an unprimeable number, because it can be changed into a prime (2003134112123) 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, 94307590 + ... + 94328827.

It is an arithmetic number, because the mean of its divisors is an integer number (150531861564).

Almost surely, 2^{2003130112123} is an apocalyptic number.

2003130112123 is a deficient number, since it is larger than the sum of its proper divisors (405379672901).

2003130112123 is a wasteful number, since it uses less digits than its factorization.

2003130112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188636502.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2003130112123 its reverse (3212110313002), we get a palindrome (5215240425125).

The spelling of 2003130112123 in words is "two trillion, three billion, one hundred thirty million, one hundred twelve thousand, one hundred twenty-three".