21230303200023 has 16 divisors (see below), whose sum is σ = 29620657609056. Its totient is φ = 13511177147520.

The previous prime is 21230303199979. The next prime is 21230303200103. The reversal of 21230303200023 is 32000230303212.

It is not a de Polignac number, because 21230303200023 - 2⁸ = 21230303199767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230303200523) 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, 1804371408 + ... + 1804383173.

It is an arithmetic number, because the mean of its divisors is an integer number (1851291100566).

Almost surely, 2^{21230303200023} is an apocalyptic number.

21230303200023 is a deficient number, since it is larger than the sum of its proper divisors (8390354409033).

21230303200023 is a wasteful number, since it uses less digits than its factorization.

21230303200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608754674.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21230303200023 its reverse (32000230303212), we get a palindrome (53230533503235).

The spelling of 21230303200023 in words is "twenty-one trillion, two hundred thirty billion, three hundred three million, two hundred thousand, twenty-three".