243034425243 has 20 divisors (see below), whose sum is σ = 378836272848. Its totient is φ = 154978472880.

The previous prime is 243034425163. The next prime is 243034425247. The reversal of 243034425243 is 342524430342.

243034425243 is a `hidden beast` number, since 24 + 3 + 0 + 344 + 252 + 43 = 666.

It is not a de Polignac number, because 243034425243 - 2¹³ = 243034417051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243034425198 and 243034425207.

It is not an unprimeable number, because it can be changed into a prime (243034425247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65224768 + ... + 65228493.

Almost surely, 2^243034425243 is an apocalyptic number.

243034425243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

243034425243 is a deficient number, since it is larger than the sum of its proper divisors (135801847605).

243034425243 is a wasteful number, since it uses less digits than its factorization.

243034425243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130453296 (or 130453287 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 243034425243 its reverse (342524430342), we get a palindrome (585558855585).

The spelling of 243034425243 in words is "two hundred forty-three billion, thirty-four million, four hundred twenty-five thousand, two hundred forty-three".