12434242223 has 16 divisors (see below), whose sum is σ = 13444494336. Its totient is φ = 11431761120.

The previous prime is 12434242169. The next prime is 12434242231. The reversal of 12434242223 is 32224243421.

It is not a de Polignac number, because 12434242223 - 2²⁴ = 12417465007 is a prime.

It is a super-2 number, since 2×12434242223² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434242273) 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, 5833868 + ... + 5835998.

It is an arithmetic number, because the mean of its divisors is an integer number (840280896).

Almost surely, 2^12434242223 is an apocalyptic number.

12434242223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12434242223 is a deficient number, since it is larger than the sum of its proper divisors (1010252113).

12434242223 is a wasteful number, since it uses less digits than its factorization.

12434242223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734.

The product of its digits is 18432, while the sum is 29.

Adding to 12434242223 its reverse (32224243421), we get a palindrome (44658485644).

The spelling of 12434242223 in words is "twelve billion, four hundred thirty-four million, two hundred forty-two thousand, two hundred twenty-three".