12340434435 has 64 divisors (see below), whose sum is σ = 23217856512. Its totient is φ = 5478782976.

The previous prime is 12340434397. The next prime is 12340434479. The reversal of 12340434435 is 53443404321.

It is not a de Polignac number, because 12340434435 - 2⁷ = 12340434307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12340434396 and 12340434405.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2355579 + ... + 2360811.

It is an arithmetic number, because the mean of its divisors is an integer number (362779008).

Almost surely, 2^12340434435 is an apocalyptic number.

12340434435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12340434435 is a deficient number, since it is larger than the sum of its proper divisors (10877422077).

12340434435 is a wasteful number, since it uses less digits than its factorization.

12340434435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5892.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 12340434435 its reverse (53443404321), we get a palindrome (65783838756).

The spelling of 12340434435 in words is "twelve billion, three hundred forty million, four hundred thirty-four thousand, four hundred thirty-five".