12434333123 has 4 divisors (see below), whose sum is σ = 12438888888. Its totient is φ = 12429777360.

The previous prime is 12434333099. The next prime is 12434333141. The reversal of 12434333123 is 32133343421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32133343421 = 3221 ⋅9976201.

It is a cyclic number.

It is not a de Polignac number, because 12434333123 - 2³⁰ = 11360591299 is a prime.

It is a super-2 number, since 2×12434333123² (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 (12434333173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273786 + ... + 2279247.

It is an arithmetic number, because the mean of its divisors is an integer number (3109722222).

Almost surely, 2^12434333123 is an apocalyptic number.

12434333123 is a deficient number, since it is larger than the sum of its proper divisors (4555765).

12434333123 is an equidigital number, since it uses as much as digits as its factorization.

12434333123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555764.

The product of its digits is 15552, while the sum is 29.

Adding to 12434333123 its reverse (32133343421), we get a palindrome (44567676544).

The spelling of 12434333123 in words is "twelve billion, four hundred thirty-four million, three hundred thirty-three thousand, one hundred twenty-three".