12433441243 has 8 divisors (see below), whose sum is σ = 12810376800. Its totient is φ = 12061777728.

The previous prime is 12433441211. The next prime is 12433441259. The reversal of 12433441243 is 34214433421.

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

It is a cyclic number.

It is not a de Polignac number, because 12433441243 - 2⁵ = 12433441211 is a prime.

It is a super-2 number, since 2×12433441243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12433441843) 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, 1313223 + ... + 1322656.

It is an arithmetic number, because the mean of its divisors is an integer number (1601297100).

Almost surely, 2^12433441243 is an apocalyptic number.

12433441243 is a deficient number, since it is larger than the sum of its proper divisors (376935557).

12433441243 is an equidigital number, since it uses as much as digits as its factorization.

12433441243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636021.

The product of its digits is 27648, while the sum is 31.

Adding to 12433441243 its reverse (34214433421), we get a palindrome (46647874664).

The spelling of 12433441243 in words is "twelve billion, four hundred thirty-three million, four hundred forty-one thousand, two hundred forty-three".