243020300252 has 24 divisors (see below), whose sum is σ = 433380305232. Its totient is φ = 119198102400.

The previous prime is 243020300239. The next prime is 243020300269. The reversal of 243020300252 is 252003020342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258427 + ... + 1438637.

It is an arithmetic number, because the mean of its divisors is an integer number (18057512718).

Almost surely, 2^243020300252 is an apocalyptic number.

It is an amenable number.

243020300252 is a deficient number, since it is larger than the sum of its proper divisors (190360004980).

243020300252 is a wasteful number, since it uses less digits than its factorization.

243020300252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186629 (or 186627 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 243020300252 its reverse (252003020342), we get a palindrome (495023320594).

The spelling of 243020300252 in words is "two hundred forty-three billion, twenty million, three hundred thousand, two hundred fifty-two".