23111310323311 has 4 divisors (see below), whose sum is σ = 26412926083792. Its totient is φ = 19809694562832.

The previous prime is 23111310323191. The next prime is 23111310323357. The reversal of 23111310323311 is 11332301311132.

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 23111310323311 - 2⁷ = 23111310323183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111310323711) 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, 1650807880230 + ... + 1650807880243.

It is an arithmetic number, because the mean of its divisors is an integer number (6603231520948).

Almost surely, 2^{23111310323311} is an apocalyptic number.

23111310323311 is a deficient number, since it is larger than the sum of its proper divisors (3301615760481).

23111310323311 is an equidigital number, since it uses as much as digits as its factorization.

23111310323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301615760480.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 23111310323311 its reverse (11332301311132), we get a palindrome (34443611634443).

The spelling of 23111310323311 in words is "twenty-three trillion, one hundred eleven billion, three hundred ten million, three hundred twenty-three thousand, three hundred eleven".