203443103444 has 48 divisors (see below), whose sum is σ = 415228800000. Its totient is φ = 85418240256.

The previous prime is 203443103417. The next prime is 203443103491. The reversal of 203443103444 is 444301344302.

It is a super-2 number, since 2×203443103444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203443103444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29444 + ... + 638555.

It is an arithmetic number, because the mean of its divisors is an integer number (8650600000).

Almost surely, 2^203443103444 is an apocalyptic number.

It is an amenable number.

203443103444 is an abundant number, since it is smaller than the sum of its proper divisors (211785696556).

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

203443103444 is a wasteful number, since it uses less digits than its factorization.

203443103444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668232 (or 668230 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 203443103444 its reverse (444301344302), we get a palindrome (647744447746).

The spelling of 203443103444 in words is "two hundred three billion, four hundred forty-three million, one hundred three thousand, four hundred forty-four".