21042302330003 has 4 divisors (see below), whose sum is σ = 21046020713880. Its totient is φ = 21038583946128.

The previous prime is 21042302329987. The next prime is 21042302330009. The reversal of 21042302330003 is 30003320324012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21042302330003 - 2⁴ = 21042302329987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21042302330009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859183450 + ... + 1859194767.

It is an arithmetic number, because the mean of its divisors is an integer number (5261505178470).

Almost surely, 2^{21042302330003} is an apocalyptic number.

21042302330003 is a deficient number, since it is larger than the sum of its proper divisors (3718383877).

21042302330003 is an equidigital number, since it uses as much as digits as its factorization.

21042302330003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718383876.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 21042302330003 its reverse (30003320324012), we get a palindrome (51045622654015).

The spelling of 21042302330003 in words is "twenty-one trillion, forty-two billion, three hundred two million, three hundred thirty thousand, three".