42142433123 has 32 divisors (see below), whose sum is σ = 51817826304. Its totient is φ = 33485709312.

The previous prime is 42142433119. The next prime is 42142433129. The reversal of 42142433123 is 32133424124.

It is a cyclic number.

It is not a de Polignac number, because 42142433123 - 2² = 42142433119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42142433129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1517186 + ... + 1544712.

It is an arithmetic number, because the mean of its divisors is an integer number (1619307072).

Almost surely, 2^42142433123 is an apocalyptic number.

42142433123 is a deficient number, since it is larger than the sum of its proper divisors (9675393181).

42142433123 is a wasteful number, since it uses less digits than its factorization.

42142433123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27851.

The product of its digits is 13824, while the sum is 29.

Adding to 42142433123 its reverse (32133424124), we get a palindrome (74275857247).

The spelling of 42142433123 in words is "forty-two billion, one hundred forty-two million, four hundred thirty-three thousand, one hundred twenty-three".