243123141321342 has 12 divisors (see below), whose sum is σ = 526766806196280. Its totient is φ = 81041047107108.

The previous prime is 243123141321341. The next prime is 243123141321419.

243123141321342 is a `hidden beast` number, since 2 + 4 + 3 + 1 + 23 + 1 + 413 + 213 + 4 + 2 = 666.

243123141321342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243123141321297 and 243123141321306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243123141321341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6753420592242 + ... + 6753420592277.

It is an arithmetic number, because the mean of its divisors is an integer number (43897233849690).

Almost surely, 2^{243123141321342} is an apocalyptic number.

243123141321342 is an abundant number, since it is smaller than the sum of its proper divisors (283643664874938).

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

243123141321342 is a wasteful number, since it uses less digits than its factorization.

243123141321342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13506841184527 (or 13506841184524 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The spelling of 243123141321342 in words is "two hundred forty-three trillion, one hundred twenty-three billion, one hundred forty-one million, three hundred twenty-one thousand, three hundred forty-two".