1704020223 has 4 divisors (see below), whose sum is σ = 2272026968. Its totient is φ = 1136013480.

The previous prime is 1704020221. The next prime is 1704020231. The reversal of 1704020223 is 3220204071.

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

It is not a de Polignac number, because 1704020223 - 2¹ = 1704020221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1704020223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1704020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284003368 + ... + 284003373.

It is an arithmetic number, because the mean of its divisors is an integer number (568006742).

Almost surely, 2^1704020223 is an apocalyptic number.

1704020223 is a deficient number, since it is larger than the sum of its proper divisors (568006745).

1704020223 is an equidigital number, since it uses as much as digits as its factorization.

1704020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568006744.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1704020223 is about 41279.7798322617. The cubic root of 1704020223 is about 1194.4232490494.

Adding to 1704020223 its reverse (3220204071), we get a palindrome (4924224294).

The spelling of 1704020223 in words is "one billion, seven hundred four million, twenty thousand, two hundred twenty-three".