263323 has 2 divisors, whose sum is σ = 263324. Its totient is φ = 263322.

The previous prime is 263303. The next prime is 263369. The reversal of 263323 is 323362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263323 is a prime.

It is equal to p₂₃₀₉₅ and since 263323 and 23095 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263323.

It is not a weakly prime, because it can be changed into another prime (263303) 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 as a sum of consecutive naturals, namely, 131661 + 131662.

It is an arithmetic number, because the mean of its divisors is an integer number (131662).

2²⁶³³²³ is an apocalyptic number.

263323 is a deficient number, since it is larger than the sum of its proper divisors (1).

263323 is an equidigital number, since it uses as much as digits as its factorization.

263323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 19.

The square root of 263323 is about 513.1500755140. The cubic root of 263323 is about 64.0958037821.

Adding to 263323 its reverse (323362), we get a palindrome (586685).

It can be divided in two parts, 26332 and 3, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 263323 in words is "two hundred sixty-three thousand, three hundred twenty-three".