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230300123 = 457503939
BaseRepresentation
bin11011011101000…
…01100111011011
3121001100110101012
431232201213123
5432424100443
634504044135
75464342634
oct1556414733
9531313335
10230300123
11108aa8989
126516364b
1338935a81
142282c88b
1515342118
hexdba19db

230300123 has 4 divisors (see below), whose sum is σ = 230804520. Its totient is φ = 229795728.

The previous prime is 230300111. The next prime is 230300153. The reversal of 230300123 is 321003032.

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 230300123 - 218 = 230037979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230300098 and 230300107.

It is not an unprimeable number, because it can be changed into a prime (230300153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251513 + ... + 252426.

It is an arithmetic number, because the mean of its divisors is an integer number (57701130).

Almost surely, 2230300123 is an apocalyptic number.

230300123 is a deficient number, since it is larger than the sum of its proper divisors (504397).

230300123 is an equidigital number, since it uses as much as digits as its factorization.

230300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504396.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 230300123 is about 15175.6424246224. The cubic root of 230300123 is about 612.9589489829.

Adding to 230300123 its reverse (321003032), we get a palindrome (551303155).

The spelling of 230300123 in words is "two hundred thirty million, three hundred thousand, one hundred twenty-three".

Divisors: 1 457 503939 230300123