704704138423 has 2 divisors, whose sum is σ = 704704138424. Its totient is φ = 704704138422.

The previous prime is 704704138381. The next prime is 704704138451. The reversal of 704704138423 is 324831407407.

704704138423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 704704138423 - 2²¹ = 704702041271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 704704138423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704704138483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352352069211 + 352352069212.

It is an arithmetic number, because the mean of its divisors is an integer number (352352069212).

Almost surely, 2^704704138423 is an apocalyptic number.

704704138423 is a deficient number, since it is larger than the sum of its proper divisors (1).

704704138423 is an equidigital number, since it uses as much as digits as its factorization.

704704138423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 704704138423 in words is "seven hundred four billion, seven hundred four million, one hundred thirty-eight thousand, four hundred twenty-three".