23212333211 has 4 divisors (see below), whose sum is σ = 23366057424. Its totient is φ = 23058609000.

The previous prime is 23212333201. The next prime is 23212333213. The reversal of 23212333211 is 11233321232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23212333211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23212333213) 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, 76861880 + ... + 76862181.

It is an arithmetic number, because the mean of its divisors is an integer number (5841514356).

Almost surely, 2^23212333211 is an apocalyptic number.

23212333211 is a deficient number, since it is larger than the sum of its proper divisors (153724213).

23212333211 is a wasteful number, since it uses less digits than its factorization.

23212333211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153724212.

The product of its digits is 1296, while the sum is 23.

Adding to 23212333211 its reverse (11233321232), we get a palindrome (34445654443).

The spelling of 23212333211 in words is "twenty-three billion, two hundred twelve million, three hundred thirty-three thousand, two hundred eleven".