243115222352 has 40 divisors (see below), whose sum is σ = 475191356640. Its totient is φ = 120487386240.

The previous prime is 243115222349. The next prime is 243115222367. The reversal of 243115222352 is 253222511342.

243115222352 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243115222352² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719899 + ... + 1855877.

It is an arithmetic number, because the mean of its divisors is an integer number (11879783916).

Almost surely, 2^243115222352 is an apocalyptic number.

It is an amenable number.

243115222352 is a deficient number, since it is larger than the sum of its proper divisors (232076134288).

243115222352 is a wasteful number, since it uses less digits than its factorization.

243115222352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136971 (or 136965 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 243115222352 its reverse (253222511342), we get a palindrome (496337733694).

The spelling of 243115222352 in words is "two hundred forty-three billion, one hundred fifteen million, two hundred twenty-two thousand, three hundred fifty-two".