42123433321342 has 8 divisors (see below), whose sum is σ = 63239108269032. Its totient is φ = 21043730565000.

The previous prime is 42123433321309. The next prime is 42123433321349. The reversal of 42123433321342 is 24312333432124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42123433321349) 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, 8993044909 + ... + 8993049592.

It is an arithmetic number, because the mean of its divisors is an integer number (7904888533629).

Almost surely, 2^{42123433321342} is an apocalyptic number.

42123433321342 is a deficient number, since it is larger than the sum of its proper divisors (21115674947690).

42123433321342 is a wasteful number, since it uses less digits than its factorization.

42123433321342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17986095674.

The product of its digits is 248832, while the sum is 37.

Adding to 42123433321342 its reverse (24312333432124), we get a palindrome (66435766753466).

The spelling of 42123433321342 in words is "forty-two trillion, one hundred twenty-three billion, four hundred thirty-three million, three hundred twenty-one thousand, three hundred forty-two".