23130111 has 16 divisors (see below), whose sum is σ = 32509440. Its totient is φ = 14599200.

The previous prime is 23130089. The next prime is 23130113. The reversal of 23130111 is 11103132.

It is not a de Polignac number, because 23130111 - 2⁷ = 23129983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5310 + ... + 8628.

It is an arithmetic number, because the mean of its divisors is an integer number (2031840).

Almost surely, 2^23130111 is an apocalyptic number.

23130111 is a deficient number, since it is larger than the sum of its proper divisors (9379329).

23130111 is a wasteful number, since it uses less digits than its factorization.

23130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 23130111 is about 4809.3774025335. The cubic root of 23130111 is about 284.9219484632.

Adding to 23130111 its reverse (11103132), we get a palindrome (34233243).

The spelling of 23130111 in words is "twenty-three million, one hundred thirty thousand, one hundred eleven".