203043424 has 48 divisors (see below), whose sum is σ = 428788080. Its totient is φ = 94348800.

The previous prime is 203043419. The next prime is 203043469. The reversal of 203043424 is 424340302.

It is a junction number, because it is equal to n+sod(n) for n = 203043395 and 203043404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29074 + ... + 35374.

It is an arithmetic number, because the mean of its divisors is an integer number (8933085).

Almost surely, 2^203043424 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 203043424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214394040).

203043424 is an abundant number, since it is smaller than the sum of its proper divisors (225744656).

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

203043424 is a wasteful number, since it uses less digits than its factorization.

203043424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383 (or 6375 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 203043424 is about 14249.3306509464. The cubic root of 203043424 is about 587.7549690946.

Adding to 203043424 its reverse (424340302), we get a palindrome (627383726).

It can be divided in two parts, 2030 and 43424, that added together give a palindrome (45454).

The spelling of 203043424 in words is "two hundred three million, forty-three thousand, four hundred twenty-four".