243421302 has 16 divisors (see below), whose sum is σ = 503630640. Its totient is φ = 78342432.

The previous prime is 243421279. The next prime is 243421303. The reversal of 243421302 is 203124342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243421303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699313 + ... + 699660.

It is an arithmetic number, because the mean of its divisors is an integer number (31476915).

Almost surely, 2^243421302 is an apocalyptic number.

243421302 is an abundant number, since it is smaller than the sum of its proper divisors (260209338).

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

243421302 is a wasteful number, since it uses less digits than its factorization.

243421302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399007.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 243421302 is about 15601.9646839749. The cubic root of 243421302 is about 624.3855738735.

Adding to 243421302 its reverse (203124342), we get a palindrome (446545644).

The spelling of 243421302 in words is "two hundred forty-three million, four hundred twenty-one thousand, three hundred two".