243367 has 2 divisors, whose sum is σ = 243368. Its totient is φ = 243366.

The previous prime is 243343. The next prime is 243391. The reversal of 243367 is 763342.

It is a balanced prime because it is at equal distance from previous prime (243343) and next prime (243391).

It is a cyclic number.

It is not a de Polignac number, because 243367 - 2⁷ = 243239 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 4⁸ + 3³ + 3³ + 6⁶ + 7² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243167) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121683 + 121684.

It is an arithmetic number, because the mean of its divisors is an integer number (121684).

2²⁴³³⁶⁷ is an apocalyptic number.

243367 is a deficient number, since it is larger than the sum of its proper divisors (1).

243367 is an equidigital number, since it uses as much as digits as its factorization.

243367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 25.

The square root of 243367 is about 493.3224097890. The cubic root of 243367 is about 62.4339141472.

Subtracting from 243367 its sum of digits (25), we obtain a palindrome (243342).

It can be divided in two parts, 2433 and 67, that added together give a square (2500 = 50²).

The spelling of 243367 in words is "two hundred forty-three thousand, three hundred sixty-seven".