21333200020023 has 32 divisors (see below), whose sum is σ = 28563254470080. Its totient is φ = 14162762465280.

The previous prime is 21333200020003. The next prime is 21333200020051. The reversal of 21333200020023 is 32002000233312.

It is not a de Polignac number, because 21333200020023 - 2¹⁸ = 21333199757879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333200020003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3179784993 + ... + 3179791701.

It is an arithmetic number, because the mean of its divisors is an integer number (892601702190).

Almost surely, 2^{21333200020023} is an apocalyptic number.

21333200020023 is a deficient number, since it is larger than the sum of its proper divisors (7230054450057).

21333200020023 is a wasteful number, since it uses less digits than its factorization.

21333200020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10659.

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

Adding to 21333200020023 its reverse (32002000233312), we get a palindrome (53335200253335).

The spelling of 21333200020023 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred million, twenty thousand, twenty-three".