23212300211 has 4 divisors (see below), whose sum is σ = 23214172800. Its totient is φ = 23210427624.

The previous prime is 23212300207. The next prime is 23212300213. The reversal of 23212300211 is 11200321232.

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 23212300211 - 2² = 23212300207 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 23212300211.

It is not an unprimeable number, because it can be changed into a prime (23212300213) 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, 917576 + ... + 942533.

It is an arithmetic number, because the mean of its divisors is an integer number (5803543200).

Almost surely, 2^23212300211 is an apocalyptic number.

23212300211 is a deficient number, since it is larger than the sum of its proper divisors (1872589).

23212300211 is a wasteful number, since it uses less digits than its factorization.

23212300211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872588.

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

Adding to 23212300211 its reverse (11200321232), we get a palindrome (34412621443).

The spelling of 23212300211 in words is "twenty-three billion, two hundred twelve million, three hundred thousand, two hundred eleven".