23042111143 has 2 divisors, whose sum is σ = 23042111144. Its totient is φ = 23042111142.

The previous prime is 23042111077. The next prime is 23042111149. The reversal of 23042111143 is 34111124032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23042111143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23042111149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11521055571 + 11521055572.

It is an arithmetic number, because the mean of its divisors is an integer number (11521055572).

Almost surely, 2^23042111143 is an apocalyptic number.

23042111143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23042111143 is an equidigital number, since it uses as much as digits as its factorization.

23042111143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 23042111143 its reverse (34111124032), we get a palindrome (57153235175).

The spelling of 23042111143 in words is "twenty-three billion, forty-two million, one hundred eleven thousand, one hundred forty-three".