21230323301 has 16 divisors (see below), whose sum is σ = 23247658368. Its totient is φ = 19227686400.

The previous prime is 21230323253. The next prime is 21230323319. The reversal of 21230323301 is 10332303212.

It is a cyclic number.

It is not a de Polignac number, because 21230323301 - 2⁶ = 21230323237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230323601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3395360 + ... + 3401606.

It is an arithmetic number, because the mean of its divisors is an integer number (1452978648).

Almost surely, 2^21230323301 is an apocalyptic number.

It is an amenable number.

21230323301 is a deficient number, since it is larger than the sum of its proper divisors (2017335067).

21230323301 is a wasteful number, since it uses less digits than its factorization.

21230323301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7372.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21230323301 its reverse (10332303212), we get a palindrome (31562626513).

The spelling of 21230323301 in words is "twenty-one billion, two hundred thirty million, three hundred twenty-three thousand, three hundred one".