2003123220133 has 12 divisors (see below), whose sum is σ = 2393141146572. Its totient is φ = 1670558359680.

The previous prime is 2003123220113. The next prime is 2003123220221. The reversal of 2003123220133 is 3310223213002.

It can be written as a sum of positive squares in 2 ways, for example, as 1820022242724 + 183100977409 = 1349082^2 + 427903^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2003123220133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003123220113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552431508 + ... + 552435133.

It is an arithmetic number, because the mean of its divisors is an integer number (199428428881).

Almost surely, 2^{2003123220133} is an apocalyptic number.

It is an amenable number.

2003123220133 is a deficient number, since it is larger than the sum of its proper divisors (390017926439).

2003123220133 is a wasteful number, since it uses less digits than its factorization.

2003123220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104866692 (or 1104866685 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2003123220133 its reverse (3310223213002), we get a palindrome (5313346433135).

The spelling of 2003123220133 in words is "two trillion, three billion, one hundred twenty-three million, two hundred twenty thousand, one hundred thirty-three".