23200321211 has 4 divisors (see below), whose sum is σ = 23425567152. Its totient is φ = 22975075272.

The previous prime is 23200321189. The next prime is 23200321231. The reversal of 23200321211 is 11212300232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23200321211 - 2¹⁸ = 23200059067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23200321211.

It is not an unprimeable number, because it can be changed into a prime (23200321231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112622816 + ... + 112623021.

It is an arithmetic number, because the mean of its divisors is an integer number (5856391788).

Almost surely, 2^23200321211 is an apocalyptic number.

23200321211 is a deficient number, since it is larger than the sum of its proper divisors (225245941).

23200321211 is a wasteful number, since it uses less digits than its factorization.

23200321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225245940.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23200321211 its reverse (11212300232), we get a palindrome (34412621443).

The spelling of 23200321211 in words is "twenty-three billion, two hundred million, three hundred twenty-one thousand, two hundred eleven".