12243423135 has 16 divisors (see below), whose sum is σ = 20441193984. Its totient is φ = 6245920032.

The previous prime is 12243423133. The next prime is 12243423149. The reversal of 12243423135 is 53132434221.

It is not a de Polignac number, because 12243423135 - 2¹ = 12243423133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243423131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17743747 + ... + 17744436.

It is an arithmetic number, because the mean of its divisors is an integer number (1277574624).

Almost surely, 2^12243423135 is an apocalyptic number.

12243423135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12243423135 is a deficient number, since it is larger than the sum of its proper divisors (8197770849).

12243423135 is a wasteful number, since it uses less digits than its factorization.

12243423135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35488214.

The product of its digits is 17280, while the sum is 30.

Adding to 12243423135 its reverse (53132434221), we get a palindrome (65375857356).

The spelling of 12243423135 in words is "twelve billion, two hundred forty-three million, four hundred twenty-three thousand, one hundred thirty-five".