23312112211 has 4 divisors (see below), whose sum is σ = 23482273752. Its totient is φ = 23141950672.

The previous prime is 23312112209. The next prime is 23312112217. The reversal of 23312112211 is 11221121332.

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 23312112211 - 2¹ = 23312112209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23312112217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85080565 + ... + 85080838.

It is an arithmetic number, because the mean of its divisors is an integer number (5870568438).

Almost surely, 2^23312112211 is an apocalyptic number.

23312112211 is a deficient number, since it is larger than the sum of its proper divisors (170161541).

23312112211 is a wasteful number, since it uses less digits than its factorization.

23312112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170161540.

The product of its digits is 144, while the sum is 19.

Adding to 23312112211 its reverse (11221121332), we get a palindrome (34533233543).

The spelling of 23312112211 in words is "twenty-three billion, three hundred twelve million, one hundred twelve thousand, two hundred eleven".