42340024121 has 8 divisors (see below), whose sum is σ = 42683476704. Its totient is φ = 41996878560.

The previous prime is 42340024109. The next prime is 42340024187. The reversal of 42340024121 is 12142004324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42340024121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42340024721) 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 7 ways as a sum of consecutive naturals, for example, 204326 + ... + 355568.

It is an arithmetic number, because the mean of its divisors is an integer number (5335434588).

Almost surely, 2^42340024121 is an apocalyptic number.

It is an amenable number.

42340024121 is a deficient number, since it is larger than the sum of its proper divisors (343452583).

42340024121 is a wasteful number, since it uses less digits than its factorization.

42340024121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153511.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42340024121 its reverse (12142004324), we get a palindrome (54482028445).

The spelling of 42340024121 in words is "forty-two billion, three hundred forty million, twenty-four thousand, one hundred twenty-one".