23222312011 has 4 divisors (see below), whose sum is σ = 23228844192. Its totient is φ = 23215779832.

The previous prime is 23222311969. The next prime is 23222312017. The reversal of 23222312011 is 11021322232.

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 23222312011 - 2¹⁵ = 23222279243 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 23222312011.

It is not an unprimeable number, because it can be changed into a prime (23222312017) 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, 3260755 + ... + 3267868.

It is an arithmetic number, because the mean of its divisors is an integer number (5807211048).

Almost surely, 2^23222312011 is an apocalyptic number.

23222312011 is a deficient number, since it is larger than the sum of its proper divisors (6532181).

23222312011 is an equidigital number, since it uses as much as digits as its factorization.

23222312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532180.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23222312011 its reverse (11021322232), we get a palindrome (34243634243).

The spelling of 23222312011 in words is "twenty-three billion, two hundred twenty-two million, three hundred twelve thousand, eleven".