42243123124 has 24 divisors (see below), whose sum is σ = 74655721728. Its totient is φ = 20913298560.

The previous prime is 42243123107. The next prime is 42243123173. The reversal of 42243123124 is 42132134224.

It is a junction number, because it is equal to n+sod(n) for n = 42243123092 and 42243123101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400779 + ... + 495085.

It is an arithmetic number, because the mean of its divisors is an integer number (3110655072).

Almost surely, 2^42243123124 is an apocalyptic number.

It is an amenable number.

42243123124 is a deficient number, since it is larger than the sum of its proper divisors (32412598604).

42243123124 is a wasteful number, since it uses less digits than its factorization.

42243123124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95415 (or 95413 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 42243123124 its reverse (42132134224), we get a palindrome (84375257348).

The spelling of 42243123124 in words is "forty-two billion, two hundred forty-three million, one hundred twenty-three thousand, one hundred twenty-four".