230130155 has 4 divisors (see below), whose sum is σ = 276156192. Its totient is φ = 184104120.

The previous prime is 230130151. The next prime is 230130161. The reversal of 230130155 is 551031032.

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

It is not a de Polignac number, because 230130155 - 2² = 230130151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230130151) 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, 23013011 + ... + 23013020.

It is an arithmetic number, because the mean of its divisors is an integer number (69039048).

Almost surely, 2^230130155 is an apocalyptic number.

230130155 is a deficient number, since it is larger than the sum of its proper divisors (46026037).

230130155 is an equidigital number, since it uses as much as digits as its factorization.

230130155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46026036.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 230130155 is about 15170.0413644789. The cubic root of 230130155 is about 612.8081181946.

Adding to 230130155 its reverse (551031032), we get a palindrome (781161187).

The spelling of 230130155 in words is "two hundred thirty million, one hundred thirty thousand, one hundred fifty-five".