243271585172342 has 8 divisors (see below), whose sum is σ = 364908034626336. Its totient is φ = 121635573630232.

The previous prime is 243271585172333. The next prime is 243271585172387.

It is a happy number.

243271585172342 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 108085613 + ... + 110313384.

It is an arithmetic number, because the mean of its divisors is an integer number (45613504328292).

Almost surely, 2^{243271585172342} is an apocalyptic number.

243271585172342 is a deficient number, since it is larger than the sum of its proper divisors (121636449453994).

243271585172342 is a wasteful number, since it uses less digits than its factorization.

243271585172342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218955942.

The product of its digits is 22579200, while the sum is 56.

The spelling of 243271585172342 in words is "two hundred forty-three trillion, two hundred seventy-one billion, five hundred eighty-five million, one hundred seventy-two thousand, three hundred forty-two".