243203355042 has 8 divisors (see below), whose sum is σ = 486406710096. Its totient is φ = 81067785012.

The previous prime is 243203354987. The next prime is 243203355047. The reversal of 243203355042 is 240553302342.

It is a sphenic number, since it is the product of 3 distinct primes.

243203355042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 243203354994 and 243203355012.

It is not an unprimeable number, because it can be changed into a prime (243203355047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20266946248 + ... + 20266946259.

It is an arithmetic number, because the mean of its divisors is an integer number (60800838762).

Almost surely, 2^243203355042 is an apocalyptic number.

243203355042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

243203355042 is a wasteful number, since it uses less digits than its factorization.

243203355042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40533892512.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 243203355042 its reverse (240553302342), we get a palindrome (483756657384).

The spelling of 243203355042 in words is "two hundred forty-three billion, two hundred three million, three hundred fifty-five thousand, forty-two".