230440434 has 32 divisors (see below), whose sum is σ = 537475200. Its totient is φ = 65839536.

The previous prime is 230440433. The next prime is 230440447. The reversal of 230440434 is 434044032.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230440433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53929 + ... + 58044.

It is an arithmetic number, because the mean of its divisors is an integer number (16796100).

Almost surely, 2^230440434 is an apocalyptic number.

230440434 is an abundant number, since it is smaller than the sum of its proper divisors (307034766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230440434 is a wasteful number, since it uses less digits than its factorization.

230440434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111999 (or 111985 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 230440434 is about 15180.2646221994. The cubic root of 230440434 is about 613.0834060343.

Adding to 230440434 its reverse (434044032), we get a palindrome (664484466).

The spelling of 230440434 in words is "two hundred thirty million, four hundred forty thousand, four hundred thirty-four".