123143143 has 2 divisors, whose sum is σ = 123143144. Its totient is φ = 123143142.

The previous prime is 123143113. The next prime is 123143171. The reversal of 123143143 is 341341321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123143143 - 2⁹ = 123142631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123143113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61571571 + 61571572.

It is an arithmetic number, because the mean of its divisors is an integer number (61571572).

Almost surely, 2^123143143 is an apocalyptic number.

123143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

123143143 is an equidigital number, since it uses as much as digits as its factorization.

123143143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 123143143 is about 11096.9880147723. The cubic root of 123143143 is about 497.5118292180.

Adding to 123143143 its reverse (341341321), we get a palindrome (464484464).

The spelling of 123143143 in words is "one hundred twenty-three million, one hundred forty-three thousand, one hundred forty-three".