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230033223 = 3371217107
BaseRepresentation
bin11011011011000…
…00011101000111
3121000211220021000
431231200131013
5432342030343
634454224343
75462151540
oct1555403507
9530756230
10230033223
11108936402
12650550b3
1338871444
142279d4c7
15152dced3
hexdb60747

230033223 has 16 divisors (see below), whose sum is σ = 389474560. Its totient is φ = 131447448.

The previous prime is 230033183. The next prime is 230033231. The reversal of 230033223 is 322330032.

It is not a de Polignac number, because 230033223 - 212 = 230029127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230033196 and 230033205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230033233) 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, 608365 + ... + 608742.

It is an arithmetic number, because the mean of its divisors is an integer number (24342160).

Almost surely, 2230033223 is an apocalyptic number.

230033223 is a deficient number, since it is larger than the sum of its proper divisors (159441337).

230033223 is a wasteful number, since it uses less digits than its factorization.

230033223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217123 (or 1217117 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 230033223 is about 15166.8461784248. The cubic root of 230033223 is about 612.7220668057.

Adding to 230033223 its reverse (322330032), we get a palindrome (552363255).

The spelling of 230033223 in words is "two hundred thirty million, thirty-three thousand, two hundred twenty-three".

Divisors: 1 3 7 9 21 27 63 189 1217107 3651321 8519749 10953963 25559247 32861889 76677741 230033223