203323012 has 12 divisors (see below), whose sum is σ = 355980940. Its totient is φ = 101614176.

The previous prime is 203322997. The next prime is 203323019. The reversal of 203323012 is 210323302.

It can be written as a sum of positive squares in 2 ways, for example, as 25260676 + 178062336 = 5026^2 + 13344^2 .

It is not an unprimeable number, because it can be changed into a prime (203323019) 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 3 ways as a sum of consecutive naturals, for example, 1083 + ... + 20194.

Almost surely, 2^203323012 is an apocalyptic number.

It is an amenable number.

203323012 is a deficient number, since it is larger than the sum of its proper divisors (152657928).

203323012 is a wasteful number, since it uses less digits than its factorization.

203323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23670 (or 23668 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 203323012 is about 14259.1378420997. The cubic root of 203323012 is about 588.0246221969.

Adding to 203323012 its reverse (210323302), we get a palindrome (413646314).

The spelling of 203323012 in words is "two hundred three million, three hundred twenty-three thousand, twelve".