243203223054234 has 64 divisors (see below), whose sum is σ = 514537069989888. Its totient is φ = 76514310028800.

The previous prime is 243203223054229. The next prime is 243203223054257. The reversal of 243203223054234 is 432450322302342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243203223054192 and 243203223054201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17208732 + ... + 27974039.

It is an arithmetic number, because the mean of its divisors is an integer number (8039641718592).

Almost surely, 2^{243203223054234} is an apocalyptic number.

243203223054234 is an abundant number, since it is smaller than the sum of its proper divisors (271333846935654).

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

243203223054234 is a wasteful number, since it uses less digits than its factorization.

243203223054234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45183523.

The product of its (nonzero) digits is 829440, while the sum is 39.

Adding to 243203223054234 its reverse (432450322302342), we get a palindrome (675653545356576).

The spelling of 243203223054234 in words is "two hundred forty-three trillion, two hundred three billion, two hundred twenty-three million, fifty-four thousand, two hundred thirty-four".