268303 has 4 divisors (see below), whose sum is σ = 306640. Its totient is φ = 229968.

The previous prime is 268297. The next prime is 268343. The reversal of 268303 is 303862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268303 - 2⁵ = 268271 is a prime.

It is a Duffinian number.

268303 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19158 + ... + 19171.

It is an arithmetic number, because the mean of its divisors is an integer number (76660).

2²⁶⁸³⁰³ is an apocalyptic number.

268303 is a deficient number, since it is larger than the sum of its proper divisors (38337).

268303 is an equidigital number, since it uses as much as digits as its factorization.

268303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38336.

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

The square root of 268303 is about 517.9797293331. The cubic root of 268303 is about 64.4973458035.

The spelling of 268303 in words is "two hundred sixty-eight thousand, three hundred three".