43423432434 has 48 divisors (see below), whose sum is σ = 96764255640. Its totient is φ = 14063258880.

The previous prime is 43423432417. The next prime is 43423432499.

43423432434 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 34932731409 + 8490701025 = 186903^2 + 92145^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426214 + ... + 518174.

Almost surely, 2^43423432434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43423432434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48382127820).

43423432434 is an abundant number, since it is smaller than the sum of its proper divisors (53340823206).

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

43423432434 is a wasteful number, since it uses less digits than its factorization.

43423432434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92715 (or 92712 counting only the distinct ones).

The product of its digits is 331776, while the sum is 36.

The spelling of 43423432434 in words is "forty-three billion, four hundred twenty-three million, four hundred thirty-two thousand, four hundred thirty-four".