23120113013111 has 4 divisors (see below), whose sum is σ = 23120123701752. Its totient is φ = 23120102324472.

The previous prime is 23120113013083. The next prime is 23120113013203. The reversal of 23120113013111 is 11131031102132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23120113013111 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 (23120113013911) 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, 826940 + ... + 6850113.

It is an arithmetic number, because the mean of its divisors is an integer number (5780030925438).

Almost surely, 2^{23120113013111} is an apocalyptic number.

23120113013111 is a deficient number, since it is larger than the sum of its proper divisors (10688641).

23120113013111 is an equidigital number, since it uses as much as digits as its factorization.

23120113013111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10688640.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 23120113013111 its reverse (11131031102132), we get a palindrome (34251144115243).

The spelling of 23120113013111 in words is "twenty-three trillion, one hundred twenty billion, one hundred thirteen million, thirteen thousand, one hundred eleven".