23111120013 has 8 divisors (see below), whose sum is σ = 30913910976. Its totient is φ = 15357871200.

The previous prime is 23111119991. The next prime is 23111120023. The reversal of 23111120013 is 31002111132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23111120013 - 2⁵ = 23111119981 is a prime.

It is a super-3 number, since 3×23111120013³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23111119974 and 23111120001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111120023) 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 7 ways as a sum of consecutive naturals, for example, 12384448 + ... + 12386313.

It is an arithmetic number, because the mean of its divisors is an integer number (3864238872).

Almost surely, 2^23111120013 is an apocalyptic number.

It is an amenable number.

23111120013 is a deficient number, since it is larger than the sum of its proper divisors (7802790963).

23111120013 is a wasteful number, since it uses less digits than its factorization.

23111120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24771075.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23111120013 its reverse (31002111132), we get a palindrome (54113231145).

The spelling of 23111120013 in words is "twenty-three billion, one hundred eleven million, one hundred twenty thousand, thirteen".