12430143434 has 4 divisors (see below), whose sum is σ = 18645215154. Its totient is φ = 6215071716.

The previous prime is 12430143413. The next prime is 12430143461. The reversal of 12430143434 is 43434103421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43434103421 = 797 ⋅54496993.

It can be written as a sum of positive squares in only one way, i.e., 6790584025 + 5639559409 = 82405^2 + 75097^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12430143397 and 12430143406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3107535857 + ... + 3107535860.

Almost surely, 2^12430143434 is an apocalyptic number.

12430143434 is a deficient number, since it is larger than the sum of its proper divisors (6215071720).

12430143434 is an equidigital number, since it uses as much as digits as its factorization.

12430143434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215071719.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 12430143434 its reverse (43434103421), we get a palindrome (55864246855).

The spelling of 12430143434 in words is "twelve billion, four hundred thirty million, one hundred forty-three thousand, four hundred thirty-four".