230511434 has 4 divisors (see below), whose sum is σ = 345767154. Its totient is φ = 115255716.

The previous prime is 230511427. The next prime is 230511467. The reversal of 230511434 is 434115032.

230511434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 161671225 + 68840209 = 12715^2 + 8297^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57627857 + ... + 57627860.

Almost surely, 2^230511434 is an apocalyptic number.

230511434 is a deficient number, since it is larger than the sum of its proper divisors (115255720).

230511434 is a wasteful number, since it uses less digits than its factorization.

230511434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115255719.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 230511434 is about 15182.6030047551. The cubic root of 230511434 is about 613.1463643895.

Adding to 230511434 its reverse (434115032), we get a palindrome (664626466).

The spelling of 230511434 in words is "two hundred thirty million, five hundred eleven thousand, four hundred thirty-four".