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BaseRepresentation
bin111000001101001111
3102200210210
4320031033
524331343
64533503
71646130
oct701517
9380723
10230223
11147a74
12b1293
1380a36
145dc87
1548333
hex3834f

230223 has 16 divisors (see below), whose sum is σ = 369920. Its totient is φ = 124416.

The previous prime is 230221. The next prime is 230227. The reversal of 230223 is 322032.

It is not a de Polignac number, because 230223 - 21 = 230221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230199 and 230208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111 + ... + 687.

It is an arithmetic number, because the mean of its divisors is an integer number (23120).

2230223 is an apocalyptic number.

230223 is a deficient number, since it is larger than the sum of its proper divisors (139697).

230223 is a wasteful number, since it uses less digits than its factorization.

230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 230223 is about 479.8155895758. The cubic root of 230223 is about 61.2890518695.

Adding to 230223 its reverse (322032), we get a palindrome (552255).

Subtracting 230223 from its reverse (322032), we obtain a square (91809 = 3032).

The spelling of 230223 in words is "two hundred thirty thousand, two hundred twenty-three".