203104223 has 4 divisors (see below), whose sum is σ = 232119120. Its totient is φ = 174089328.

The previous prime is 203104207. The next prime is 203104229. The reversal of 203104223 is 322401302.

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

It is not a de Polignac number, because 203104223 - 2⁴ = 203104207 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 (203104229) 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, 14507438 + ... + 14507451.

It is an arithmetic number, because the mean of its divisors is an integer number (58029780).

Almost surely, 2^203104223 is an apocalyptic number.

203104223 is a deficient number, since it is larger than the sum of its proper divisors (29014897).

203104223 is an equidigital number, since it uses as much as digits as its factorization.

203104223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29014896.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 203104223 is about 14251.4638897202. The cubic root of 203104223 is about 587.8136287111.

Adding to 203104223 its reverse (322401302), we get a palindrome (525505525).

The spelling of 203104223 in words is "two hundred three million, one hundred four thousand, two hundred twenty-three".