2123043003 has 12 divisors (see below), whose sum is σ = 3112388968. Its totient is φ = 1394236800.

The previous prime is 2123043001. The next prime is 2123043053. The reversal of 2123043003 is 3003403212.

2123043003 is a `hidden beast` number, since 2 + 1 + 230 + 430 + 0 + 3 = 666.

It is not a de Polignac number, because 2123043003 - 2¹ = 2123043001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123043001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1759798 + ... + 1761003.

Almost surely, 2^2123043003 is an apocalyptic number.

2123043003 is a deficient number, since it is larger than the sum of its proper divisors (989345965).

2123043003 is a wasteful number, since it uses less digits than its factorization.

2123043003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520874 (or 3520871 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2123043003 is about 46076.4907843468. The cubic root of 2123043003 is about 1285.2460082021.

Adding to 2123043003 its reverse (3003403212), we get a palindrome (5126446215).

The spelling of 2123043003 in words is "two billion, one hundred twenty-three million, forty-three thousand, three".