203230449 has 6 divisors (see below), whose sum is σ = 293555106. Its totient is φ = 135486960.

The previous prime is 203230439. The next prime is 203230477. The reversal of 203230449 is 944032302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 202549824 + 680625 = 14232^2 + 825^2 .

It is not a de Polignac number, because 203230449 - 2²⁰ = 202181873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203230439) 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, 11290572 + ... + 11290589.

It is an arithmetic number, because the mean of its divisors is an integer number (48925851).

Almost surely, 2^203230449 is an apocalyptic number.

It is an amenable number.

203230449 is a deficient number, since it is larger than the sum of its proper divisors (90324657).

203230449 is a wasteful number, since it uses less digits than its factorization.

203230449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22581167 (or 22581164 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 203230449 is about 14255.8917293868. The cubic root of 203230449 is about 587.9353757243.

The spelling of 203230449 in words is "two hundred three million, two hundred thirty thousand, four hundred forty-nine".