43423440234 has 8 divisors (see below), whose sum is σ = 86846880480. Its totient is φ = 14474480076.

The previous prime is 43423440223. The next prime is 43423440251. The reversal of 43423440234 is 43204432434.

43423440234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

43423440234 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43423440195 and 43423440204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3618620014 + ... + 3618620025.

It is an arithmetic number, because the mean of its divisors is an integer number (10855860060).

Almost surely, 2^43423440234 is an apocalyptic number.

43423440234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43423440234 is a wasteful number, since it uses less digits than its factorization.

43423440234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237240044.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 43423440234 its reverse (43204432434), we get a palindrome (86627872668).

The spelling of 43423440234 in words is "forty-three billion, four hundred twenty-three million, four hundred forty thousand, two hundred thirty-four".