23011311303311 has 4 divisors (see below), whose sum is σ = 23011335699072. Its totient is φ = 23011286907552.

The previous prime is 23011311303287. The next prime is 23011311303349. The reversal of 23011311303311 is 11330311311032.

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 23011311303311 - 2²⁶ = 23011244194447 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 (23011311303611) 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, 10723610 + ... + 12689303.

It is an arithmetic number, because the mean of its divisors is an integer number (5752833924768).

Almost surely, 2^{23011311303311} is an apocalyptic number.

23011311303311 is a deficient number, since it is larger than the sum of its proper divisors (24395761).

23011311303311 is an equidigital number, since it uses as much as digits as its factorization.

23011311303311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24395760.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 23011311303311 its reverse (11330311311032), we get a palindrome (34341622614343).

The spelling of 23011311303311 in words is "twenty-three trillion, eleven billion, three hundred eleven million, three hundred three thousand, three hundred eleven".