243421651230 has 32 divisors (see below), whose sum is σ = 603057512448. Its totient is φ = 62818490400.

The previous prime is 243421651229. The next prime is 243421651273. The reversal of 243421651230 is 32156124342.

243421651230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243421651191 and 243421651200.

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 15 ways as a sum of consecutive naturals, for example, 130870926 + ... + 130872785.

It is an arithmetic number, because the mean of its divisors is an integer number (18845547264).

Almost surely, 2^243421651230 is an apocalyptic number.

243421651230 is an abundant number, since it is smaller than the sum of its proper divisors (359635861218).

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

243421651230 is a wasteful number, since it uses less digits than its factorization.

243421651230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261743752.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 243421651230 its reverse (32156124342), we get a palindrome (275577775572).

The spelling of 243421651230 in words is "two hundred forty-three billion, four hundred twenty-one million, six hundred fifty-one thousand, two hundred thirty".