21302234003 has 8 divisors (see below), whose sum is σ = 21877914240. Its totient is φ = 20729225920.

The previous prime is 21302233991. The next prime is 21302234029. The reversal of 21302234003 is 30043220312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21302234003 - 2⁸ = 21302233747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21302234033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651875 + ... + 683772.

It is an arithmetic number, because the mean of its divisors is an integer number (2734739280).

Almost surely, 2^21302234003 is an apocalyptic number.

21302234003 is a deficient number, since it is larger than the sum of its proper divisors (575680237).

21302234003 is a wasteful number, since it uses less digits than its factorization.

21302234003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336077.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21302234003 its reverse (30043220312), we get a palindrome (51345454315).

The spelling of 21302234003 in words is "twenty-one billion, three hundred two million, two hundred thirty-four thousand, three".