243421444124342 has 48 divisors (see below), whose sum is σ = 401900763924576. Its totient is φ = 110492534275200.

The previous prime is 243421444124207. The next prime is 243421444124393.

243421444124342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243421444124293 and 243421444124302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2980252808 + ... + 2980334484.

It is an arithmetic number, because the mean of its divisors is an integer number (8372932581762).

Almost surely, 2^{243421444124342} is an apocalyptic number.

243421444124342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243421444124342 is a deficient number, since it is larger than the sum of its proper divisors (158479319800234).

243421444124342 is a wasteful number, since it uses less digits than its factorization.

243421444124342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98645 (or 98634 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 44.

The spelling of 243421444124342 in words is "two hundred forty-three trillion, four hundred twenty-one billion, four hundred forty-four million, one hundred twenty-four thousand, three hundred forty-two".