Search a number
-
+
230663223 = 3274385147
BaseRepresentation
bin11011011111110…
…10010000110111
3121002000220110100
431233322100313
5433022210343
634515525143
75500414350
oct1557722067
9532026410
10230663223
1110922676a
12652b97b3
1338a3211b
14228c4d27
15153b49d3
hexdbfa437

230663223 has 24 divisors (see below), whose sum is σ = 389637248. Its totient is φ = 128740752.

The previous prime is 230663207. The next prime is 230663231. The reversal of 230663223 is 322366032.

230663223 is a `hidden beast` number, since 2 + 3 + 0 + 6 + 632 + 23 = 666.

It is not a de Polignac number, because 230663223 - 24 = 230663207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230664223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39865 + ... + 45282.

Almost surely, 2230663223 is an apocalyptic number.

230663223 is a deficient number, since it is larger than the sum of its proper divisors (158974025).

230663223 is a wasteful number, since it uses less digits than its factorization.

230663223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85203 (or 85200 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 230663223 is about 15187.6009626274. The cubic root of 230663223 is about 613.2809180226.

The spelling of 230663223 in words is "two hundred thirty million, six hundred sixty-three thousand, two hundred twenty-three".

Divisors: 1 3 7 9 21 43 63 129 301 387 903 2709 85147 255441 596029 766323 1788087 3661321 5364261 10983963 25629247 32951889 76887741 230663223