230005181 has 4 divisors (see below), whose sum is σ = 262863072. Its totient is φ = 197147292.

The previous prime is 230005159. The next prime is 230005199. The reversal of 230005181 is 181500032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230005181 - 2⁶ = 230005117 is a prime.

It is a super-2 number, since 2×230005181² = 105804766573685522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230005781) 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, 16428935 + ... + 16428948.

It is an arithmetic number, because the mean of its divisors is an integer number (65715768).

Almost surely, 2^230005181 is an apocalyptic number.

It is an amenable number.

230005181 is a deficient number, since it is larger than the sum of its proper divisors (32857891).

230005181 is an equidigital number, since it uses as much as digits as its factorization.

230005181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32857890.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 230005181 is about 15165.9216996528. The cubic root of 230005181 is about 612.6971680103.

The spelling of 230005181 in words is "two hundred thirty million, five thousand, one hundred eighty-one".