243240222042342 has 48 divisors (see below), whose sum is σ = 602600233116960. Its totient is φ = 69463616466816.

The previous prime is 243240222042319. The next prime is 243240222042397.

243240222042342 is a `hidden beast` number, since 2 + 4 + 3 + 2 + 4 + 0 + 2 + 220 + 423 + 4 + 2 = 666.

243240222042342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243240222042297 and 243240222042306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466263703 + ... + 466785090.

It is an arithmetic number, because the mean of its divisors is an integer number (12554171523270).

Almost surely, 2^{243240222042342} is an apocalyptic number.

243240222042342 is an abundant number, since it is smaller than the sum of its proper divisors (359360011074618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243240222042342 is a wasteful number, since it uses less digits than its factorization.

243240222042342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933050877 (or 933050874 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

The spelling of 243240222042342 in words is "two hundred forty-three trillion, two hundred forty billion, two hundred twenty-two million, forty-two thousand, three hundred forty-two".