243203243052 has 48 divisors (see below), whose sum is σ = 707500346112. Its totient is φ = 63169673280.

The previous prime is 243203243047. The next prime is 243203243069. The reversal of 243203243052 is 250342302342.

It is a happy number.

243203243052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 131602563 + ... + 131604410.

It is an arithmetic number, because the mean of its divisors is an integer number (14739590544).

Almost surely, 2^243203243052 is an apocalyptic number.

243203243052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243203243052 is an abundant number, since it is smaller than the sum of its proper divisors (464297103060).

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

243203243052 is a wasteful number, since it uses less digits than its factorization.

243203243052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263206998 (or 263206996 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 243203243052 its reverse (250342302342), we get a palindrome (493545545394).

The spelling of 243203243052 in words is "two hundred forty-three billion, two hundred three million, two hundred forty-three thousand, fifty-two".