234345434 has 4 divisors (see below), whose sum is σ = 351518154. Its totient is φ = 117172716.

The previous prime is 234345427. The next prime is 234345451. The reversal of 234345434 is 434543432.

234345434 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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., 197318209 + 37027225 = 14047^2 + 6085^2 .

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 234345434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58586357 + ... + 58586360.

Almost surely, 2^234345434 is an apocalyptic number.

234345434 is a deficient number, since it is larger than the sum of its proper divisors (117172720).

234345434 is a wasteful number, since it uses less digits than its factorization.

234345434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117172719.

The product of its digits is 69120, while the sum is 32.

The square root of 234345434 is about 15308.3452404236. The cubic root of 234345434 is about 616.5270917942.

Adding to 234345434 its reverse (434543432), we get a palindrome (668888866).

The spelling of 234345434 in words is "two hundred thirty-four million, three hundred forty-five thousand, four hundred thirty-four".