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230012003 = 1317693231
BaseRepresentation
bin11011011010110…
…11010001100011
3121000210211011002
431231123101203
5432340341003
634453542215
75462032634
oct1555332143
9530724132
10230012003
11108921471
126504496b
13388648a0
142279588b
15152d6a88
hexdb5b463

230012003 has 4 divisors (see below), whose sum is σ = 247705248. Its totient is φ = 212318760.

The previous prime is 230011987. The next prime is 230012011. The reversal of 230012003 is 300210032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230012003 - 24 = 230011987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230012053) 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, 8846603 + ... + 8846628.

It is an arithmetic number, because the mean of its divisors is an integer number (61926312).

Almost surely, 2230012003 is an apocalyptic number.

230012003 is a deficient number, since it is larger than the sum of its proper divisors (17693245).

230012003 is a wasteful number, since it uses less digits than its factorization.

230012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17693244.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 230012003 is about 15166.1466101314. The cubic root of 230012003 is about 612.7032255242.

Adding to 230012003 its reverse (300210032), we get a palindrome (530222035).

The spelling of 230012003 in words is "two hundred thirty million, twelve thousand, three".

Divisors: 1 13 17693231 230012003