230534155 has 4 divisors (see below), whose sum is σ = 276640992. Its totient is φ = 184427320.

The previous prime is 230534039. The next prime is 230534159. The reversal of 230534155 is 551435032.

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

It is not a de Polignac number, because 230534155 - 2⁷ = 230534027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230534159) 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, 23053411 + ... + 23053420.

It is an arithmetic number, because the mean of its divisors is an integer number (69160248).

Almost surely, 2^230534155 is an apocalyptic number.

230534155 is a deficient number, since it is larger than the sum of its proper divisors (46106837).

230534155 is an equidigital number, since it uses as much as digits as its factorization.

230534155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46106836.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 230534155 is about 15183.3512440436. The cubic root of 230534155 is about 613.1665092193.

Adding to 230534155 its reverse (551435032), we get a palindrome (781969187).

The spelling of 230534155 in words is "two hundred thirty million, five hundred thirty-four thousand, one hundred fifty-five".