1673203 has 6 divisors (see below), whose sum is σ = 1946436. Its totient is φ = 1434132.

The previous prime is 1673183. The next prime is 1673207. The reversal of 1673203 is 3023761.

It is not a de Polignac number, because 1673203 - 2⁵ = 1673171 is a prime.

It is a Duffinian number.

1673203 is a lucky number.

It is a plaindrome in base 13.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (1673207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17025 + ... + 17122.

It is an arithmetic number, because the mean of its divisors is an integer number (324406).

2^1673203 is an apocalyptic number.

1673203 is a deficient number, since it is larger than the sum of its proper divisors (273233).

1673203 is an equidigital number, since it uses as much as digits as its factorization.

1673203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34161 (or 34154 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1673203 is about 1293.5234825855. The cubic root of 1673203 is about 118.7179015738.

Adding to 1673203 its reverse (3023761), we get a palindrome (4696964).

The spelling of 1673203 in words is "one million, six hundred seventy-three thousand, two hundred three".