23101113011 has 4 divisors (see below), whose sum is σ = 23102710632. Its totient is φ = 23099515392.

The previous prime is 23101112999. The next prime is 23101113109. The reversal of 23101113011 is 11031110132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23101113011 is a prime.

It is a super-2 number, since 2×23101113011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26101113011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776921 + ... + 806106.

It is an arithmetic number, because the mean of its divisors is an integer number (5775677658).

Almost surely, 2^23101113011 is an apocalyptic number.

23101113011 is a deficient number, since it is larger than the sum of its proper divisors (1597621).

23101113011 is a wasteful number, since it uses less digits than its factorization.

23101113011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597620.

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

Adding to 23101113011 its reverse (11031110132), we get a palindrome (34132223143).

The spelling of 23101113011 in words is "twenty-three billion, one hundred one million, one hundred thirteen thousand, eleven".