243404231103 has 24 divisors (see below), whose sum is σ = 383576980176. Its totient is φ = 147505824000.

The previous prime is 243404231093. The next prime is 243404231107. The reversal of 243404231103 is 301132404342.

243404231103 is a `hidden beast` number, since 2 + 4 + 340 + 4 + 2 + 311 + 0 + 3 = 666.

It is not a de Polignac number, because 243404231103 - 2⁶ = 243404231039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243404231107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1223953 + ... + 1408853.

It is an arithmetic number, because the mean of its divisors is an integer number (15982374174).

Almost surely, 2^243404231103 is an apocalyptic number.

243404231103 is a deficient number, since it is larger than the sum of its proper divisors (140172749073).

243404231103 is a wasteful number, since it uses less digits than its factorization.

243404231103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198215 (or 198212 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 243404231103 its reverse (301132404342), we get a palindrome (544536635445).

The spelling of 243404231103 in words is "two hundred forty-three billion, four hundred four million, two hundred thirty-one thousand, one hundred three".