23231223012211 has 4 divisors (see below), whose sum is σ = 23238364491952. Its totient is φ = 23224081532472.

The previous prime is 23231223012199. The next prime is 23231223012223. The reversal of 23231223012211 is 11221032213232.

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

It is an interprime number because it is at equal distance from previous prime (23231223012199) and next prime (23231223012223).

It is a cyclic number.

It is not a de Polignac number, because 23231223012211 - 2¹⁵ = 23231222979443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23231223022211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3570734991 + ... + 3570741496.

It is an arithmetic number, because the mean of its divisors is an integer number (5809591122988).

Almost surely, 2^{23231223012211} is an apocalyptic number.

23231223012211 is a deficient number, since it is larger than the sum of its proper divisors (7141479741).

23231223012211 is an equidigital number, since it uses as much as digits as its factorization.

23231223012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141479740.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 23231223012211 its reverse (11221032213232), we get a palindrome (34452255225443).

The spelling of 23231223012211 in words is "twenty-three trillion, two hundred thirty-one billion, two hundred twenty-three million, twelve thousand, two hundred eleven".