23123112143 has 16 divisors (see below), whose sum is σ = 23578070976. Its totient is φ = 22673817600.

The previous prime is 23123112137. The next prime is 23123112167. The reversal of 23123112143 is 34121132132.

It is a cyclic number.

It is not a de Polignac number, because 23123112143 - 2⁶ = 23123112079 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 (23123112113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4382555 + ... + 4387827.

It is an arithmetic number, because the mean of its divisors is an integer number (1473629436).

Almost surely, 2^23123112143 is an apocalyptic number.

23123112143 is a deficient number, since it is larger than the sum of its proper divisors (454958833).

23123112143 is a wasteful number, since it uses less digits than its factorization.

23123112143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5794.

The product of its digits is 864, while the sum is 23.

Adding to 23123112143 its reverse (34121132132), we get a palindrome (57244244275).

The spelling of 23123112143 in words is "twenty-three billion, one hundred twenty-three million, one hundred twelve thousand, one hundred forty-three".