243421200430 has 64 divisors (see below), whose sum is σ = 447210450432. Its totient is φ = 95383209600.

The previous prime is 243421200427. The next prime is 243421200433. The reversal of 243421200430 is 34002124342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243421200427) and next prime (243421200433).

It is a junction number, because it is equal to n+sod(n) for n = 243421200395 and 243421200404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243421200433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36673072 + ... + 36679708.

It is an arithmetic number, because the mean of its divisors is an integer number (6987663288).

Almost surely, 2^243421200430 is an apocalyptic number.

243421200430 is a deficient number, since it is larger than the sum of its proper divisors (203789250002).

243421200430 is a wasteful number, since it uses less digits than its factorization.

243421200430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7129.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 243421200430 its reverse (34002124342), we get a palindrome (277423324772).

The spelling of 243421200430 in words is "two hundred forty-three billion, four hundred twenty-one million, two hundred thousand, four hundred thirty".