243310120452 has 72 divisors (see below), whose sum is σ = 705912794496. Its totient is φ = 69218803584.

The previous prime is 243310120423. The next prime is 243310120457. The reversal of 243310120452 is 254021013342.

It is not an unprimeable number, because it can be changed into a prime (243310120457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2013208 + ... + 2130639.

It is an arithmetic number, because the mean of its divisors is an integer number (9804344368).

Almost surely, 2^243310120452 is an apocalyptic number.

It is an amenable number.

243310120452 is an abundant number, since it is smaller than the sum of its proper divisors (462602674044).

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

243310120452 is a wasteful number, since it uses less digits than its factorization.

243310120452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144097 (or 4144092 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 243310120452 its reverse (254021013342), we get a palindrome (497331133794).

The spelling of 243310120452 in words is "two hundred forty-three billion, three hundred ten million, one hundred twenty thousand, four hundred fifty-two".