243042121240342 has 8 divisors (see below), whose sum is σ = 364574674033416. Its totient is φ = 121517229895872.

The previous prime is 243042121240313. The next prime is 243042121240349.

243042121240342 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 243042121240298 and 243042121240307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243042121240349) 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, 1915282843 + ... + 1915409734.

It is an arithmetic number, because the mean of its divisors is an integer number (45571834254177).

Almost surely, 2^{243042121240342} is an apocalyptic number.

243042121240342 is a deficient number, since it is larger than the sum of its proper divisors (121532552793074).

243042121240342 is a wasteful number, since it uses less digits than its factorization.

243042121240342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830724302.

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 243042121240342 in words is "two hundred forty-three trillion, forty-two billion, one hundred twenty-one million, two hundred forty thousand, three hundred forty-two".