1603223 has 4 divisors (see below), whose sum is σ = 1642368. Its totient is φ = 1564080.

The previous prime is 1603193. The next prime is 1603237. The reversal of 1603223 is 3223061.

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

It is a cyclic number.

It is not a de Polignac number, because 1603223 - 2⁶ = 1603159 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 (1600223) 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, 19511 + ... + 19592.

It is an arithmetic number, because the mean of its divisors is an integer number (410592).

2^1603223 is an apocalyptic number.

1603223 is a deficient number, since it is larger than the sum of its proper divisors (39145).

1603223 is an equidigital number, since it uses as much as digits as its factorization.

1603223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39144.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1603223 is about 1266.1844257453. The cubic root of 1603223 is about 117.0391910981.

Adding to 1603223 its reverse (3223061), we get a palindrome (4826284).

The spelling of 1603223 in words is "one million, six hundred three thousand, two hundred twenty-three".