12342420403 has 8 divisors (see below), whose sum is σ = 12446753760. Its totient is φ = 12238449600.

The previous prime is 12342420353. The next prime is 12342420437. The reversal of 12342420403 is 30402424321.

It is a happy number.

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 12342420403 - 2²⁹ = 11805549491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12342426403) 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, 22048 + ... + 158653.

It is an arithmetic number, because the mean of its divisors is an integer number (1555844220).

Almost surely, 2^12342420403 is an apocalyptic number.

12342420403 is a deficient number, since it is larger than the sum of its proper divisors (104333357).

12342420403 is a wasteful number, since it uses less digits than its factorization.

12342420403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181277.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12342420403 its reverse (30402424321), we get a palindrome (42744844724).

The spelling of 12342420403 in words is "twelve billion, three hundred forty-two million, four hundred twenty thousand, four hundred three".