1673223685 has 16 divisors (see below), whose sum is σ = 2295374976. Its totient is φ = 1147019328.

The previous prime is 1673223677. The next prime is 1673223689. The reversal of 1673223685 is 5863223761.

It is not a de Polignac number, because 1673223685 - 2³ = 1673223677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673223689) 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 15 ways as a sum of consecutive naturals, for example, 211827 + ... + 219583.

It is an arithmetic number, because the mean of its divisors is an integer number (143460936).

Almost surely, 2^1673223685 is an apocalyptic number.

It is an amenable number.

1673223685 is a deficient number, since it is larger than the sum of its proper divisors (622151291).

1673223685 is an equidigital number, since it uses as much as digits as its factorization.

1673223685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13932.

The product of its digits is 362880, while the sum is 43.

The square root of 1673223685 is about 40905.0569612120. The cubic root of 1673223685 is about 1187.1839078913.

The spelling of 1673223685 in words is "one billion, six hundred seventy-three million, two hundred twenty-three thousand, six hundred eighty-five".