263343 has 8 divisors (see below), whose sum is σ = 359856. Its totient is φ = 171200.

The previous prime is 263323. The next prime is 263369. The reversal of 263343 is 343362.

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 263343 - 2¹⁶ = 197807 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 6³ + 3⁶ + 3⁹ + 4⁸ + 3¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263303) 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, 948 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (44982).

2²⁶³³⁴³ is an apocalyptic number.

263343 is a deficient number, since it is larger than the sum of its proper divisors (96513).

263343 is a wasteful number, since it uses less digits than its factorization.

263343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185.

The product of its digits is 1296, while the sum is 21.

The square root of 263343 is about 513.1695626204. The cubic root of 263343 is about 64.0974264833.

It can be divided in two parts, 263 and 343, that multiplied together give a palindrome (90209).

The spelling of 263343 in words is "two hundred sixty-three thousand, three hundred forty-three".