23201212223321 has 16 divisors (see below), whose sum is σ = 25698986897280. Its totient is φ = 20769142504320.

The previous prime is 23201212223249. The next prime is 23201212223359. The reversal of 23201212223321 is 12332221210232.

It is a cyclic number.

It is not a de Polignac number, because 23201212223321 - 2¹⁸ = 23201211961177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23201212223621) 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, 23074781 + ... + 24059258.

It is an arithmetic number, because the mean of its divisors is an integer number (1606186681080).

Almost surely, 2^{23201212223321} is an apocalyptic number.

It is an amenable number.

23201212223321 is a deficient number, since it is larger than the sum of its proper divisors (2497774673959).

23201212223321 is a wasteful number, since it uses less digits than its factorization.

23201212223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47134736.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23201212223321 its reverse (12332221210232), we get a palindrome (35533433433553).

The spelling of 23201212223321 in words is "twenty-three trillion, two hundred one billion, two hundred twelve million, two hundred twenty-three thousand, three hundred twenty-one".