21302002033023 has 32 divisors (see below), whose sum is σ = 30818098999296. Its totient is φ = 13036932428288.

The previous prime is 21302002033007. The next prime is 21302002033043. The reversal of 21302002033023 is 32033020020312.

It is a cyclic number.

It is not a de Polignac number, because 21302002033023 - 2⁴ = 21302002033007 is a prime.

It is a super-2 number, since 2×21302002033023² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302002033043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14463111 + ... + 15867752.

It is an arithmetic number, because the mean of its divisors is an integer number (963065593728).

Almost surely, 2^{21302002033023} is an apocalyptic number.

21302002033023 is a deficient number, since it is larger than the sum of its proper divisors (9516096966273).

21302002033023 is a wasteful number, since it uses less digits than its factorization.

21302002033023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30331223.

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

Adding to 21302002033023 its reverse (32033020020312), we get a palindrome (53335022053335).

The spelling of 21302002033023 in words is "twenty-one trillion, three hundred two billion, two million, thirty-three thousand, twenty-three".