2003011122123 has 48 divisors (see below), whose sum is σ = 3161644641792. Its totient is φ = 1211876568000.

The previous prime is 2003011122107. The next prime is 2003011122149. The reversal of 2003011122123 is 3212211103002.

It is not a de Polignac number, because 2003011122123 - 2⁴ = 2003011122107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003011122096 and 2003011122105.

It is not an unprimeable number, because it can be changed into a prime (2003011122103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237572718 + ... + 237581148.

It is an arithmetic number, because the mean of its divisors is an integer number (65867596704).

Almost surely, 2^{2003011122123} is an apocalyptic number.

2003011122123 is a deficient number, since it is larger than the sum of its proper divisors (1158633519669).

2003011122123 is a wasteful number, since it uses less digits than its factorization.

2003011122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12256 (or 12253 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2003011122123 its reverse (3212211103002), we get a palindrome (5215222225125).

The spelling of 2003011122123 in words is "two trillion, three billion, eleven million, one hundred twenty-two thousand, one hundred twenty-three".