21302301230233 has 16 divisors (see below), whose sum is σ = 21718344511360. Its totient is φ = 20891139494400.

The previous prime is 21302301230179. The next prime is 21302301230239. The reversal of 21302301230233 is 33203210320312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21302301230233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21302301230198 and 21302301230207.

It is not an unprimeable number, because it can be changed into a prime (21302301230239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2414428 + ... + 6959458.

It is an arithmetic number, because the mean of its divisors is an integer number (1357396531960).

Almost surely, 2^{21302301230233} is an apocalyptic number.

It is an amenable number.

21302301230233 is a deficient number, since it is larger than the sum of its proper divisors (416043281127).

21302301230233 is a wasteful number, since it uses less digits than its factorization.

21302301230233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545568.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21302301230233 its reverse (33203210320312), we get a palindrome (54505511550545).

The spelling of 21302301230233 in words is "twenty-one trillion, three hundred two billion, three hundred one million, two hundred thirty thousand, two hundred thirty-three".