2003104123 has 4 divisors (see below), whose sum is σ = 2003996248. Its totient is φ = 2002212000.

The previous prime is 2003104097. The next prime is 2003104157. The reversal of 2003104123 is 3214013002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3214013002 = 2 ⋅1607006501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003104123 is a prime.

It is a super-2 number, since 2×2003104123² = 8024852255159198258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003104097 and 2003104106.

It is not an unprimeable number, because it can be changed into a prime (2003104163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442686 + ... + 447187.

It is an arithmetic number, because the mean of its divisors is an integer number (500999062).

Almost surely, 2^2003104123 is an apocalyptic number.

2003104123 is a deficient number, since it is larger than the sum of its proper divisors (892125).

2003104123 is an equidigital number, since it uses as much as digits as its factorization.

2003104123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892124.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2003104123 is about 44756.0512444965. The cubic root of 2003104123 is about 1260.5725379461.

Adding to 2003104123 its reverse (3214013002), we get a palindrome (5217117125).

The spelling of 2003104123 in words is "two billion, three million, one hundred four thousand, one hundred twenty-three".