43243431142 has 12 divisors (see below), whose sum is σ = 67179007116. Its totient is φ = 20876138360.

The previous prime is 43243431107. The next prime is 43243431157. The reversal of 43243431142 is 24113434234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12853084 + ... + 12856447.

It is an arithmetic number, because the mean of its divisors is an integer number (5598250593).

Almost surely, 2^43243431142 is an apocalyptic number.

43243431142 is a deficient number, since it is larger than the sum of its proper divisors (23935575974).

43243431142 is a wasteful number, since it uses less digits than its factorization.

43243431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25709591 (or 25709562 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

Adding to 43243431142 its reverse (24113434234), we get a palindrome (67356865376).

The spelling of 43243431142 in words is "forty-three billion, two hundred forty-three million, four hundred thirty-one thousand, one hundred forty-two".