21233030003 has 2 divisors, whose sum is σ = 21233030004. Its totient is φ = 21233030002.

The previous prime is 21233029997. The next prime is 21233030011. The reversal of 21233030003 is 30003033212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21233030003 - 2²² = 21228835699 is a prime.

It is not a weakly prime, because it can be changed into another prime (21233030033) 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 as a sum of consecutive naturals, namely, 10616515001 + 10616515002.

It is an arithmetic number, because the mean of its divisors is an integer number (10616515002).

Almost surely, 2^21233030003 is an apocalyptic number.

21233030003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21233030003 is an equidigital number, since it uses as much as digits as its factorization.

21233030003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 21233030003 its reverse (30003033212), we get a palindrome (51236063215).

The spelling of 21233030003 in words is "twenty-one billion, two hundred thirty-three million, thirty thousand, three".