43231123043242 has 64 divisors (see below), whose sum is σ = 67623723256320. Its totient is φ = 20710681992000.

The previous prime is 43231123043167. The next prime is 43231123043281. The reversal of 43231123043242 is 24234032113234.

It is a junction number, because it is equal to n+sod(n) for n = 43231123043198 and 43231123043207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7388669617 + ... + 7388675467.

It is an arithmetic number, because the mean of its divisors is an integer number (1056620675880).

Almost surely, 2^{43231123043242} is an apocalyptic number.

43231123043242 is a deficient number, since it is larger than the sum of its proper divisors (24392600213078).

43231123043242 is a wasteful number, since it uses less digits than its factorization.

43231123043242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 43231123043242 its reverse (24234032113234), we get a palindrome (67465155156476).

The spelling of 43231123043242 in words is "forty-three trillion, two hundred thirty-one billion, one hundred twenty-three million, forty-three thousand, two hundred forty-two".