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230231230 = 2523023123
BaseRepresentation
bin11011011100100…
…00110010111110
3121001012221212121
431232100302332
5432414344410
634502353154
75463635035
oct1556206276
9531187777
10230231230
11108a61149
126512b7ba
13389105c8
142281171c
151532b9da
hexdb90cbe

230231230 has 8 divisors (see below), whose sum is σ = 414416232. Its totient is φ = 92092488.

The previous prime is 230231171. The next prime is 230231233. The reversal of 230231230 is 32132032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230231233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11511552 + ... + 11511571.

It is an arithmetic number, because the mean of its divisors is an integer number (51802029).

Almost surely, 2230231230 is an apocalyptic number.

230231230 is a deficient number, since it is larger than the sum of its proper divisors (184185002).

230231230 is a wasteful number, since it uses less digits than its factorization.

230231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23023130.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 230231230 is about 15173.3724003598. The cubic root of 230231230 is about 612.8978218012.

Adding to 230231230 its reverse (32132032), we get a palindrome (262363262).

The spelling of 230231230 in words is "two hundred thirty million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 23023123 46046246 115115615 230231230