23330020211 has 4 divisors (see below), whose sum is σ = 23354656872. Its totient is φ = 23305383552.

The previous prime is 23330020177. The next prime is 23330020213. The reversal of 23330020211 is 11202003332.

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-23330020211 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 23330020211.

It is not an unprimeable number, because it can be changed into a prime (23330020213) 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, 12316910 + ... + 12318803.

It is an arithmetic number, because the mean of its divisors is an integer number (5838664218).

Almost surely, 2^23330020211 is an apocalyptic number.

23330020211 is a deficient number, since it is larger than the sum of its proper divisors (24636661).

23330020211 is an equidigital number, since it uses as much as digits as its factorization.

23330020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24636660.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23330020211 its reverse (11202003332), we get a palindrome (34532023543).

The spelling of 23330020211 in words is "twenty-three billion, three hundred thirty million, twenty thousand, two hundred eleven".