12403363673 has 4 divisors (see below), whose sum is σ = 12578059008. Its totient is φ = 12228668340.

The previous prime is 12403363657. The next prime is 12403363703. The reversal of 12403363673 is 37636330421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12403363673 - 2⁴ = 12403363657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12403363573) 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, 87347561 + ... + 87347702.

It is an arithmetic number, because the mean of its divisors is an integer number (3144514752).

Almost surely, 2^12403363673 is an apocalyptic number.

It is an amenable number.

12403363673 is a deficient number, since it is larger than the sum of its proper divisors (174695335).

12403363673 is an equidigital number, since it uses as much as digits as its factorization.

12403363673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174695334.

The product of its (nonzero) digits is 163296, while the sum is 38.

The spelling of 12403363673 in words is "twelve billion, four hundred three million, three hundred sixty-three thousand, six hundred seventy-three".