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230030223 = 31492272267
BaseRepresentation
bin11011011010111…
…11101110001111
3121000211202010220
431231133232033
5432341431343
634454202423
75462140023
oct1555375617
9530752126
10230030223
11108934125
1265053413
133886cc77
142279c383
15152dc183
hexdb5fb8f

230030223 has 16 divisors (see below), whose sum is σ = 310262400. Its totient is φ = 151586336.

The previous prime is 230030197. The next prime is 230030231. The reversal of 230030223 is 322030032.

It is a cyclic number.

It is not a de Polignac number, because 230030223 - 25 = 230030191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230020223) 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, 100336 + ... + 102602.

It is an arithmetic number, because the mean of its divisors is an integer number (19391400).

Almost surely, 2230030223 is an apocalyptic number.

230030223 is a deficient number, since it is larger than the sum of its proper divisors (80232177).

230030223 is a wasteful number, since it uses less digits than its factorization.

230030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 230030223 is about 15166.7472781741. The cubic root of 230030223 is about 612.7194031699.

Adding to 230030223 its reverse (322030032), we get a palindrome (552060255).

It can be divided in two parts, 2300 and 30223, that added together give a palindrome (32523).

The spelling of 230030223 in words is "two hundred thirty million, thirty thousand, two hundred twenty-three".

Divisors: 1 3 149 227 447 681 2267 6801 33823 101469 337783 514609 1013349 1543827 76676741 230030223