203023412 has 12 divisors (see below), whose sum is σ = 356118336. Its totient is φ = 101275320.

The previous prime is 203023399. The next prime is 203023423. The reversal of 203023412 is 214320302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57158 + ... + 60605.

It is an arithmetic number, because the mean of its divisors is an integer number (29676528).

Almost surely, 2^203023412 is an apocalyptic number.

It is an amenable number.

203023412 is a deficient number, since it is larger than the sum of its proper divisors (153094924).

203023412 is a wasteful number, since it uses less digits than its factorization.

203023412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118198 (or 118196 counting only the distinct ones).

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

The square root of 203023412 is about 14248.6284252204. The cubic root of 203023412 is about 587.7356587115.

Adding to 203023412 its reverse (214320302), we get a palindrome (417343714).

The spelling of 203023412 in words is "two hundred three million, twenty-three thousand, four hundred twelve".