43423632434 has 16 divisors (see below), whose sum is σ = 80166706368. Its totient is φ = 17178579792.

The previous prime is 43423632433. The next prime is 43423632449.

43423632434 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×43423632434² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43423632433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119295512 + ... + 119295875.

It is an arithmetic number, because the mean of its divisors is an integer number (5010419148).

Almost surely, 2^43423632434 is an apocalyptic number.

43423632434 is a deficient number, since it is larger than the sum of its proper divisors (36743073934).

43423632434 is a wasteful number, since it uses less digits than its factorization.

43423632434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238591409.

The product of its digits is 497664, while the sum is 38.

The spelling of 43423632434 in words is "forty-three billion, four hundred twenty-three million, six hundred thirty-two thousand, four hundred thirty-four".