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230030323 = 317420333
BaseRepresentation
bin11011011010111…
…11101111110011
3121000211202021121
431231133233303
5432341432243
634454203111
75462140225
oct1555375763
9530752247
10230030323
11108934206
1265053497
1338870023
142279c415
15152dc1ed
hexdb5fbf3

230030323 has 4 divisors (see below), whose sum is σ = 237450688. Its totient is φ = 222609960.

The previous prime is 230030257. The next prime is 230030341. The reversal of 230030323 is 323030032.

It is a happy number.

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 230030323 - 221 = 227933171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230030297 and 230030306.

It is not an unprimeable number, because it can be changed into a prime (230030393) 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, 3710136 + ... + 3710197.

It is an arithmetic number, because the mean of its divisors is an integer number (59362672).

Almost surely, 2230030323 is an apocalyptic number.

230030323 is a deficient number, since it is larger than the sum of its proper divisors (7420365).

230030323 is an equidigital number, since it uses as much as digits as its factorization.

230030323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7420364.

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 230030323 is about 15166.7505748595. The cubic root of 230030323 is about 612.7194919581.

Adding to 230030323 its reverse (323030032), we get a palindrome (553060355).

It can be divided in two parts, 2300 and 30323, that added together give a palindrome (32623).

The spelling of 230030323 in words is "two hundred thirty million, thirty thousand, three hundred twenty-three".

Divisors: 1 31 7420333 230030323