12403397663 has 8 divisors (see below), whose sum is σ = 12767712048. Its totient is φ = 12043908864.

The previous prime is 12403397627. The next prime is 12403397683. The reversal of 12403397663 is 36679330421.

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 12403397663 - 2⁸ = 12403397407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403397603) 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, 1201181 + ... + 1211462.

It is an arithmetic number, because the mean of its divisors is an integer number (1595964006).

Almost surely, 2^12403397663 is an apocalyptic number.

12403397663 is a deficient number, since it is larger than the sum of its proper divisors (364314385).

12403397663 is an equidigital number, since it uses as much as digits as its factorization.

12403397663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412793.

The product of its (nonzero) digits is 489888, while the sum is 44.

The spelling of 12403397663 in words is "twelve billion, four hundred three million, three hundred ninety-seven thousand, six hundred sixty-three".