243208802342 has 48 divisors (see below), whose sum is σ = 418620394080. Its totient is φ = 105694216320.

The previous prime is 243208802323. The next prime is 243208802351.

243208802342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243208802296 and 243208802305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13755884 + ... + 13773552.

It is an arithmetic number, because the mean of its divisors is an integer number (8721258210).

Almost surely, 2^243208802342 is an apocalyptic number.

243208802342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243208802342 is a deficient number, since it is larger than the sum of its proper divisors (175411591738).

243208802342 is a wasteful number, since it uses less digits than its factorization.

243208802342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20189 (or 20178 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 243208802342 in words is "two hundred forty-three billion, two hundred eight million, eight hundred two thousand, three hundred forty-two".