243421014 has 16 divisors (see below), whose sum is σ = 486996480. Its totient is φ = 81114600.

The previous prime is 243421007. The next prime is 243421043. The reversal of 243421014 is 410124342.

243421014 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 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, 29439 + ... + 36789.

It is an arithmetic number, because the mean of its divisors is an integer number (30437280).

Almost surely, 2^243421014 is an apocalyptic number.

243421014 is an abundant number, since it is smaller than the sum of its proper divisors (243575466).

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

243421014 is a wasteful number, since it uses less digits than its factorization.

243421014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12875.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 243421014 is about 15601.9554543653. The cubic root of 243421014 is about 624.3853276294.

Adding to 243421014 its reverse (410124342), we get a palindrome (653545356).

The spelling of 243421014 in words is "two hundred forty-three million, four hundred twenty-one thousand, fourteen".