234543434 has 4 divisors (see below), whose sum is σ = 351815154. Its totient is φ = 117271716.

The previous prime is 234543377. The next prime is 234543451. The reversal of 234543434 is 434345432.

234543434 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., 208889209 + 25654225 = 14453^2 + 5065^2 .

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 234543434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58635857 + ... + 58635860.

Almost surely, 2^234543434 is an apocalyptic number.

234543434 is a deficient number, since it is larger than the sum of its proper divisors (117271720).

234543434 is a wasteful number, since it uses less digits than its factorization.

234543434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117271719.

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

The square root of 234543434 is about 15314.8109358229. The cubic root of 234543434 is about 616.7006788480.

Adding to 234543434 its reverse (434345432), we get a palindrome (668888866).

The spelling of 234543434 in words is "two hundred thirty-four million, five hundred forty-three thousand, four hundred thirty-four".