243421151120 has 40 divisors (see below), whose sum is σ = 646804774464. Its totient is φ = 83458680192.

The previous prime is 243421151093. The next prime is 243421151159. The reversal of 243421151120 is 21151124342.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 243421151120.

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, 217339754 + ... + 217340873.

Almost surely, 2^243421151120 is an apocalyptic number.

243421151120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243421151120 is an abundant number, since it is smaller than the sum of its proper divisors (403383623344).

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

243421151120 is a wasteful number, since it uses less digits than its factorization.

243421151120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434680647 (or 434680641 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 243421151120 its reverse (21151124342), we get a palindrome (264572275462).

The spelling of 243421151120 in words is "two hundred forty-three billion, four hundred twenty-one million, one hundred fifty-one thousand, one hundred twenty".