12535230243 has 8 divisors (see below), whose sum is σ = 17121290256. Its totient is φ = 8152995200.

The previous prime is 12535230223. The next prime is 12535230271. The reversal of 12535230243 is 34203253521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12535230243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12535230243.

It is not an unprimeable number, because it can be changed into a prime (12535230223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50956098 + ... + 50956343.

It is an arithmetic number, because the mean of its divisors is an integer number (2140161282).

Almost surely, 2^12535230243 is an apocalyptic number.

12535230243 is a deficient number, since it is larger than the sum of its proper divisors (4586060013).

12535230243 is a wasteful number, since it uses less digits than its factorization.

12535230243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101912485.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 12535230243 its reverse (34203253521), we get a palindrome (46738483764).

The spelling of 12535230243 in words is "twelve billion, five hundred thirty-five million, two hundred thirty thousand, two hundred forty-three".