203273412 has 48 divisors (see below), whose sum is σ = 503952960. Its totient is φ = 63649152.

The previous prime is 203273407. The next prime is 203273423. The reversal of 203273412 is 214372302.

It is a super-2 number, since 2×203273412² = 82640160052243488, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4983 + ... + 20769.

It is an arithmetic number, because the mean of its divisors is an integer number (10499020).

Almost surely, 2^203273412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203273412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251976480).

203273412 is an abundant number, since it is smaller than the sum of its proper divisors (300679548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203273412 is a wasteful number, since it uses less digits than its factorization.

203273412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15860 (or 15858 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 203273412 is about 14257.3985004278. The cubic root of 203273412 is about 587.9768027315.

The spelling of 203273412 in words is "two hundred three million, two hundred seventy-three thousand, four hundred twelve".