23113111 has 8 divisors (see below), whose sum is σ = 26624000. Its totient is φ = 19654488.

The previous prime is 23113099. The next prime is 23113121. The reversal of 23113111 is 11131132.

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

It is not a de Polignac number, because 23113111 - 2⁷ = 23112983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23113091 and 23113100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12111 + ... + 13888.

It is an arithmetic number, because the mean of its divisors is an integer number (3328000).

Almost surely, 2^23113111 is an apocalyptic number.

23113111 is a deficient number, since it is larger than the sum of its proper divisors (3510889).

23113111 is a wasteful number, since it uses less digits than its factorization.

23113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26133.

The product of its digits is 18, while the sum is 13.

The square root of 23113111 is about 4807.6096971364. The cubic root of 23113111 is about 284.8521280710.

Adding to 23113111 its reverse (11131132), we get a palindrome (34244243).

It can be divided in two parts, 2 and 3113111, that added together give a palindrome (3113113).

The spelling of 23113111 in words is "twenty-three million, one hundred thirteen thousand, one hundred eleven".