23311210311211 has 2 divisors, whose sum is σ = 23311210311212. Its totient is φ = 23311210311210.

The previous prime is 23311210311157. The next prime is 23311210311223. The reversal of 23311210311211 is 11211301211332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23311210311211 - 2¹⁵ = 23311210278443 is a prime.

It is not a weakly prime, because it can be changed into another prime (23311210311241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655605155605 + 11655605155606.

It is an arithmetic number, because the mean of its divisors is an integer number (11655605155606).

Almost surely, 2^{23311210311211} is an apocalyptic number.

23311210311211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311210311211 is an equidigital number, since it uses as much as digits as its factorization.

23311210311211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 23311210311211 its reverse (11211301211332), we get a palindrome (34522511522543).

The spelling of 23311210311211 in words is "twenty-three trillion, three hundred eleven billion, two hundred ten million, three hundred eleven thousand, two hundred eleven".