123143263 has 2 divisors, whose sum is σ = 123143264. Its totient is φ = 123143262.

The previous prime is 123143261. The next prime is 123143281. The reversal of 123143263 is 362341321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123143263 - 2¹ = 123143261 is a prime.

Together with 123143261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123143261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61571631 + 61571632.

It is an arithmetic number, because the mean of its divisors is an integer number (61571632).

Almost surely, 2^123143263 is an apocalyptic number.

123143263 is a deficient number, since it is larger than the sum of its proper divisors (1).

123143263 is an equidigital number, since it uses as much as digits as its factorization.

123143263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 123143263 is about 11096.9934216435. The cubic root of 123143263 is about 497.5119908223.

Adding to 123143263 its reverse (362341321), we get a palindrome (485484584).

The spelling of 123143263 in words is "one hundred twenty-three million, one hundred forty-three thousand, two hundred sixty-three".