704423 has 4 divisors (see below), whose sum is σ = 717768. Its totient is φ = 691080.

The previous prime is 704419. The next prime is 704441. The reversal of 704423 is 324407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324407 = 353 ⋅919.

It is a cyclic number.

It is not a de Polignac number, because 704423 - 2² = 704419 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 704395 and 704404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704453) 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, 6593 + ... + 6698.

It is an arithmetic number, because the mean of its divisors is an integer number (179442).

2⁷⁰⁴⁴²³ is an apocalyptic number.

704423 is a deficient number, since it is larger than the sum of its proper divisors (13345).

704423 is a wasteful number, since it uses less digits than its factorization.

704423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13344.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 704423 is about 839.2991123551. The cubic root of 704423 is about 88.9770171687.

It can be divided in two parts, 704 and 423, that multiplied together give a palindrome (297792).

The spelling of 704423 in words is "seven hundred four thousand, four hundred twenty-three", and thus it is an iban number.