43234644643234 has 12 divisors (see below), whose sum is σ = 71283566994822. Its totient is φ = 19652111201360.

The previous prime is 43234644643231. The next prime is 43234644643241.

43234644643234 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 31995958311009 + 11238686332225 = 5656497^2 + 3352415^2 .

It is a super-2 number, since 2×43234644643234² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43234644643231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89327777947 + ... + 89327778430.

Almost surely, 2^{43234644643234} is an apocalyptic number.

43234644643234 is a deficient number, since it is larger than the sum of its proper divisors (28048922351588).

43234644643234 is a wasteful number, since it uses less digits than its factorization.

43234644643234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178655556401 (or 178655556390 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 52.

It can be divided in two parts, 4323464 and 4643234, that added together give a palindrome (8966698).

The spelling of 43234644643234 in words is "forty-three trillion, two hundred thirty-four billion, six hundred forty-four million, six hundred forty-three thousand, two hundred thirty-four".