243553323355342 has 192 divisors, whose sum is σ = 523776610732032. Its totient is φ = 82364276966400.

The previous prime is 243553323355337. The next prime is 243553323355351.

243553323355342 is nontrivially palindromic in base 10.

243553323355342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 243553323355342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 412639617 + ... + 413229427.

It is an arithmetic number, because the mean of its divisors is an integer number (2728003180896).

Almost surely, 2^{243553323355342} is an apocalyptic number.

243553323355342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243553323355342 is an abundant number, since it is smaller than the sum of its proper divisors (280223287376690).

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

243553323355342 is a wasteful number, since it uses less digits than its factorization.

243553323355342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590975 (or 590964 counting only the distinct ones).

The product of its digits is 58320000, while the sum is 52.

The spelling of 243553323355342 in words is "two hundred forty-three trillion, five hundred fifty-three billion, three hundred twenty-three million, three hundred fifty-five thousand, three hundred forty-two".