2003123312 has 10 divisors (see below), whose sum is σ = 3881051448. Its totient is φ = 1001561648.

The previous prime is 2003123281. The next prime is 2003123323. The reversal of 2003123312 is 2133213002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62597588 + ... + 62597619.

Almost surely, 2^2003123312 is an apocalyptic number.

It is an amenable number.

2003123312 is a deficient number, since it is larger than the sum of its proper divisors (1877928136).

2003123312 is a wasteful number, since it uses less digits than its factorization.

2003123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125195215 (or 125195209 counting only the distinct ones).

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

The square root of 2003123312 is about 44756.2656172295. The cubic root of 2003123312 is about 1260.5765632068.

Adding to 2003123312 its reverse (2133213002), we get a palindrome (4136336314).

The spelling of 2003123312 in words is "two billion, three million, one hundred twenty-three thousand, three hundred twelve".