23101101311 has 4 divisors (see below), whose sum is σ = 23325383952. Its totient is φ = 22876818672.

The previous prime is 23101101277. The next prime is 23101101323. The reversal of 23101101311 is 11310110132.

It is a happy number.

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 23101101311 - 2²² = 23096907007 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 (23101101391) 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, 112141166 + ... + 112141371.

It is an arithmetic number, because the mean of its divisors is an integer number (5831345988).

Almost surely, 2^23101101311 is an apocalyptic number.

23101101311 is a deficient number, since it is larger than the sum of its proper divisors (224282641).

23101101311 is a wasteful number, since it uses less digits than its factorization.

23101101311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224282640.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 23101101311 its reverse (11310110132), we get a palindrome (34411211443).

It can be divided in two parts, 2310110131 and 1, that added together give a palindrome (2310110132).

The spelling of 23101101311 in words is "twenty-three billion, one hundred one million, one hundred one thousand, three hundred eleven".