23313120211 has 4 divisors (see below), whose sum is σ = 23435178624. Its totient is φ = 23191061800.

The previous prime is 23313120209. The next prime is 23313120353. The reversal of 23313120211 is 11202131332.

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 23313120211 - 2¹ = 23313120209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23313129211) 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, 61028920 + ... + 61029301.

It is an arithmetic number, because the mean of its divisors is an integer number (5858794656).

Almost surely, 2^23313120211 is an apocalyptic number.

23313120211 is a deficient number, since it is larger than the sum of its proper divisors (122058413).

23313120211 is a wasteful number, since it uses less digits than its factorization.

23313120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122058412.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23313120211 its reverse (11202131332), we get a palindrome (34515251543).

The spelling of 23313120211 in words is "twenty-three billion, three hundred thirteen million, one hundred twenty thousand, two hundred eleven".