243423000535 has 48 divisors (see below), whose sum is σ = 346055113152. Its totient is φ = 163284549120.

The previous prime is 243423000521. The next prime is 243423000581. The reversal of 243423000535 is 535000324342.

It is not a de Polignac number, because 243423000535 - 2⁵ = 243423000503 is a prime.

It is a super-2 number, since 2×243423000535² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243423000497 and 243423000506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10236219 + ... + 10259971.

It is an arithmetic number, because the mean of its divisors is an integer number (7209481524).

Almost surely, 2^243423000535 is an apocalyptic number.

243423000535 is a deficient number, since it is larger than the sum of its proper divisors (102632112617).

243423000535 is a wasteful number, since it uses less digits than its factorization.

243423000535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25096 (or 25085 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 243423000535 its reverse (535000324342), we get a palindrome (778423324877).

The spelling of 243423000535 in words is "two hundred forty-three billion, four hundred twenty-three million, five hundred thirty-five", and thus it is an aban number.