243543464345342 has 12 divisors (see below), whose sum is σ = 424958493908880. Its totient is φ = 104375770433676.

The previous prime is 243543464345299. The next prime is 243543464345381.

It is a happy number.

243543464345342 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×243543464345342³ (a number of 44 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 1242568695542 + ... + 1242568695737.

It is an arithmetic number, because the mean of its divisors is an integer number (35413207825740).

Almost surely, 2^{243543464345342} is an apocalyptic number.

243543464345342 is a deficient number, since it is larger than the sum of its proper divisors (181415029563538).

243543464345342 is a wasteful number, since it uses less digits than its factorization.

243543464345342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485137391295 (or 2485137391288 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 56.

The spelling of 243543464345342 in words is "two hundred forty-three trillion, five hundred forty-three billion, four hundred sixty-four million, three hundred forty-five thousand, three hundred forty-two".