2003103123129 has 6 divisors (see below), whose sum is σ = 2893371177866. Its totient is φ = 1335402082080.

The previous prime is 2003103123103. The next prime is 2003103123179. The reversal of 2003103123129 is 9213213013002.

2003103123129 is a `hidden beast` number, since 2 + 0 + 0 + 31 + 0 + 312 + 312 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1876475324025 + 126627799104 = 1369845^2 + 355848^2 .

It is not a de Polignac number, because 2003103123129 - 2¹³ = 2003103114937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003103123179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111283506832 + ... + 111283506849.

Almost surely, 2^{2003103123129} is an apocalyptic number.

It is an amenable number.

2003103123129 is a deficient number, since it is larger than the sum of its proper divisors (890268054737).

2003103123129 is a wasteful number, since it uses less digits than its factorization.

2003103123129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222567013687 (or 222567013684 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 2003103123129 in words is "two trillion, three billion, one hundred three million, one hundred twenty-three thousand, one hundred twenty-nine".