243430421130100 has 72 divisors (see below), whose sum is σ = 556279875496800. Its totient is φ = 92208572668800.

The previous prime is 243430421130047. The next prime is 243430421130131. The reversal of 243430421130100 is 1031124034342.

It is a happy number.

It is a super-2 number, since 2×243430421130100² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22381030 + ... + 31428829.

It is an arithmetic number, because the mean of its divisors is an integer number (7726109381900).

Almost surely, 2^{243430421130100} is an apocalyptic number.

243430421130100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243430421130100 is an abundant number, since it is smaller than the sum of its proper divisors (312849454366700).

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

243430421130100 is a wasteful number, since it uses less digits than its factorization.

243430421130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53812273 (or 53812266 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 243430421130100 its reverse (1031124034342), we get a palindrome (244461545164442).

The spelling of 243430421130100 in words is "two hundred forty-three trillion, four hundred thirty billion, four hundred twenty-one million, one hundred thirty thousand, one hundred".