21230302022323 has 16 divisors (see below), whose sum is σ = 22320311454720. Its totient is φ = 20166668834400.

The previous prime is 21230302022311. The next prime is 21230302022329. The reversal of 21230302022323 is 32322020303212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21230302022323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21230302022329) 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, 7571365 + ... + 9989302.

It is an arithmetic number, because the mean of its divisors is an integer number (1395019465920).

Almost surely, 2^{21230302022323} is an apocalyptic number.

21230302022323 is a deficient number, since it is larger than the sum of its proper divisors (1090009432397).

21230302022323 is a wasteful number, since it uses less digits than its factorization.

21230302022323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17561418.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 21230302022323 its reverse (32322020303212), we get a palindrome (53552322325535).

The spelling of 21230302022323 in words is "twenty-one trillion, two hundred thirty billion, three hundred two million, twenty-two thousand, three hundred twenty-three".