243123444321342 has 32 divisors (see below), whose sum is σ = 554453465785632. Its totient is φ = 70406789305344.

The previous prime is 243123444321323. The next prime is 243123444321403.

243123444321342 is nontrivially palindromic in base 10.

243123444321342 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243123444321294 and 243123444321303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91675505583 + ... + 91675508234.

It is an arithmetic number, because the mean of its divisors is an integer number (17326670805801).

Almost surely, 2^{243123444321342} is an apocalyptic number.

243123444321342 is an abundant number, since it is smaller than the sum of its proper divisors (311330021464290).

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

243123444321342 is a wasteful number, since it uses less digits than its factorization.

243123444321342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183351013852.

The product of its digits is 1327104, while the sum is 42.

The spelling of 243123444321342 in words is "two hundred forty-three trillion, one hundred twenty-three billion, four hundred forty-four million, three hundred twenty-one thousand, three hundred forty-two".