230043442 has 4 divisors (see below), whose sum is σ = 345065166. Its totient is φ = 115021720.

The previous prime is 230043391. The next prime is 230043449. The reversal of 230043442 is 244340032.

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., 195692121 + 34351321 = 13989^2 + 5861^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (230043449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57510859 + ... + 57510862.

Almost surely, 2^230043442 is an apocalyptic number.

230043442 is a deficient number, since it is larger than the sum of its proper divisors (115021724).

230043442 is a wasteful number, since it uses less digits than its factorization.

230043442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115021723.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 230043442 is about 15167.1830608060. The cubic root of 230043442 is about 612.7311398633.

Adding to 230043442 its reverse (244340032), we get a palindrome (474383474).

The spelling of 230043442 in words is "two hundred thirty million, forty-three thousand, four hundred forty-two".