236223 has 16 divisors (see below), whose sum is σ = 377440. Its totient is φ = 145152.
The previous prime is 236219. The next prime is 236231. The reversal of 236223 is 322632.
It is not a de Polignac number, because 236223 - 22 = 236219 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 236196 and 236205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (236293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15 + ... + 687.
It is an arithmetic number, because the mean of its divisors is an integer number (23590).
2236223 is an apocalyptic number.
236223 is a deficient number, since it is larger than the sum of its proper divisors (141217).
236223 is a wasteful number, since it uses less digits than its factorization.
236223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 695 (or 689 counting only the distinct ones).
The product of its digits is 432, while the sum is 18.
The square root of 236223 is about 486.0277769840. The cubic root of 236223 is about 61.8169243872.
Adding to 236223 its reverse (322632), we get a palindrome (558855).
The spelling of 236223 in words is "two hundred thirty-six thousand, two hundred twenty-three".
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