12704718423 has 4 divisors (see below), whose sum is σ = 16939624568. Its totient is φ = 8469812280.

The previous prime is 12704718413. The next prime is 12704718461. The reversal of 12704718423 is 32481740721.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12704718423 - 2¹³ = 12704710231 is a prime.

It is a super-2 number, since 2×12704718423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704718413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117453068 + ... + 2117453073.

It is an arithmetic number, because the mean of its divisors is an integer number (4234906142).

Almost surely, 2^12704718423 is an apocalyptic number.

12704718423 is a deficient number, since it is larger than the sum of its proper divisors (4234906145).

12704718423 is an equidigital number, since it uses as much as digits as its factorization.

12704718423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234906144.

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 12704718423 in words is "twelve billion, seven hundred four million, seven hundred eighteen thousand, four hundred twenty-three".