42343432 has 16 divisors (see below), whose sum is σ = 79472700. Its totient is φ = 21150720.

The previous prime is 42343421. The next prime is 42343439. The reversal of 42343432 is 23434324.

It can be written as a sum of positive squares in 2 ways, for example, as 42172036 + 171396 = 6494^2 + 414^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42343397 and 42343406.

It is not an unprimeable number, because it can be changed into a prime (42343439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8944 + ... + 12832.

Almost surely, 2^42343432 is an apocalyptic number.

It is an amenable number.

42343432 is a deficient number, since it is larger than the sum of its proper divisors (37129268).

42343432 is a wasteful number, since it uses less digits than its factorization.

42343432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256 (or 5252 counting only the distinct ones).

The product of its digits is 6912, while the sum is 25.

The square root of 42343432 is about 6507.1831079200. The cubic root of 42343432 is about 348.5475372345.

Adding to 42343432 its reverse (23434324), we get a palindrome (65777756).

It can be divided in two parts, 42343 and 432, that multiplied together give a triangular number (18292176 = T₆₀₄₈).

The spelling of 42343432 in words is "forty-two million, three hundred forty-three thousand, four hundred thirty-two".