21233122323302 has 16 divisors (see below), whose sum is σ = 34682050983600. Its totient is φ = 9710974274400.

The previous prime is 21233122323271. The next prime is 21233122323307. The reversal of 21233122323302 is 20332322133212.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233122323307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9633901949 + ... + 9633904152.

It is an arithmetic number, because the mean of its divisors is an integer number (2167628186475).

Almost surely, 2^{21233122323302} is an apocalyptic number.

21233122323302 is a deficient number, since it is larger than the sum of its proper divisors (13448928660298).

21233122323302 is a wasteful number, since it uses less digits than its factorization.

21233122323302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19267806151.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 21233122323302 its reverse (20332322133212), we get a palindrome (41565444456514).

The spelling of 21233122323302 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred twenty-two million, three hundred twenty-three thousand, three hundred two".