23311310323211 has 4 divisors (see below), whose sum is σ = 23606390200800. Its totient is φ = 23016230445624.

The previous prime is 23311310323193. The next prime is 23311310323283. The reversal of 23311310323211 is 11232301311332.

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 23311310323211 - 2²² = 23311306128907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311310322211) 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, 147539938676 + ... + 147539938833.

It is an arithmetic number, because the mean of its divisors is an integer number (5901597550200).

Almost surely, 2^{23311310323211} is an apocalyptic number.

23311310323211 is a deficient number, since it is larger than the sum of its proper divisors (295079877589).

23311310323211 is an equidigital number, since it uses as much as digits as its factorization.

23311310323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295079877588.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 23311310323211 its reverse (11232301311332), we get a palindrome (34543611634543).

The spelling of 23311310323211 in words is "twenty-three trillion, three hundred eleven billion, three hundred ten million, three hundred twenty-three thousand, two hundred eleven".