263143 has 8 divisors (see below), whose sum is σ = 291168. Its totient is φ = 236544.

The previous prime is 263129. The next prime is 263167. The reversal of 263143 is 341362.

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 263143 - 2⁵ = 263111 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 6³ + 1 + 3³ + 4⁹ + 3⁵ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 263143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55 + ... + 727.

It is an arithmetic number, because the mean of its divisors is an integer number (36396).

2²⁶³¹⁴³ is an apocalyptic number.

263143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

263143 is a deficient number, since it is larger than the sum of its proper divisors (28025).

263143 is a wasteful number, since it uses less digits than its factorization.

263143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

The product of its digits is 432, while the sum is 19.

The square root of 263143 is about 512.9746582435. The cubic root of 263143 is about 64.0811957728.

It can be divided in two parts, 263 and 143, that added together give a triangular number (406 = T₂₈).

The spelling of 263143 in words is "two hundred sixty-three thousand, one hundred forty-three".