23112143 has 8 divisors (see below), whose sum is σ = 24128640. Its totient is φ = 22112640.

The previous prime is 23112137. The next prime is 23112157. The reversal of 23112143 is 34121132.

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

It is a cyclic number.

It is not a de Polignac number, because 23112143 - 2⁸ = 23111887 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 (23112343) 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, 1430 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (3016080).

Almost surely, 2^23112143 is an apocalyptic number.

23112143 is a deficient number, since it is larger than the sum of its proper divisors (1016497).

23112143 is an equidigital number, since it uses as much as digits as its factorization.

23112143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8497.

The product of its digits is 144, while the sum is 17.

The square root of 23112143 is about 4807.5090223524. The cubic root of 23112143 is about 284.8481513857.

Adding to 23112143 its reverse (34121132), we get a palindrome (57233275).

The spelling of 23112143 in words is "twenty-three million, one hundred twelve thousand, one hundred forty-three".