2123403003 has 24 divisors (see below), whose sum is σ = 3250097136. Its totient is φ = 1331289600.

The previous prime is 2123402993. The next prime is 2123403011. The reversal of 2123403003 is 3003043212.

2123403003 is a `hidden beast` number, since 21 + 2 + 340 + 300 + 3 = 666.

It is not a de Polignac number, because 2123403003 - 2¹⁰ = 2123401979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123403803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221908 + ... + 231278.

It is an arithmetic number, because the mean of its divisors is an integer number (135420714).

Almost surely, 2^2123403003 is an apocalyptic number.

2123403003 is a deficient number, since it is larger than the sum of its proper divisors (1126694133).

2123403003 is a wasteful number, since it uses less digits than its factorization.

2123403003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875 (or 10872 counting only the distinct ones).

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

The square root of 2123403003 is about 46080.3971662572. The cubic root of 2123403003 is about 1285.3186495966.

Adding to 2123403003 its reverse (3003043212), we get a palindrome (5126446215).

The spelling of 2123403003 in words is "two billion, one hundred twenty-three million, four hundred three thousand, three".