344542032321 has 8 divisors (see below), whose sum is σ = 459392807040. Its totient is φ = 229692972912.

The previous prime is 344542032311. The next prime is 344542032353. The reversal of 344542032321 is 123230245443.

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

It is a de Polignac number, because none of the positive numbers 2^k-344542032321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344542032311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152395 + ... + 843983.

It is an arithmetic number, because the mean of its divisors is an integer number (57424100880).

Almost surely, 2^344542032321 is an apocalyptic number.

It is an amenable number.

344542032321 is a deficient number, since it is larger than the sum of its proper divisors (114850774719).

344542032321 is a wasteful number, since it uses less digits than its factorization.

344542032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857655.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 344542032321 its reverse (123230245443), we get a palindrome (467772277764).

The spelling of 344542032321 in words is "three hundred forty-four billion, five hundred forty-two million, thirty-two thousand, three hundred twenty-one".