203343400324044 has 18 divisors (see below), whose sum is σ = 514006928596980. Its totient is φ = 67781133441336.

The previous prime is 203343400324003. The next prime is 203343400324063. The reversal of 203343400324044 is 440423004343302.

203343400324044 is a `hidden beast` number, since 2 + 0 + 3 + 3 + 4 + 3 + 400 + 3 + 240 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5648427786779 = 203343400324044 / (2 + 0 + 3 + 3 + 4 + 3 + 4 + 0 + 0 + 3 + 2 + 4 + 0 + 4 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2824213893354 + ... + 2824213893425.

It is an arithmetic number, because the mean of its divisors is an integer number (28555940477610).

Almost surely, 2^{203343400324044} is an apocalyptic number.

It is an amenable number.

203343400324044 is an abundant number, since it is smaller than the sum of its proper divisors (310663528272936).

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

203343400324044 is a wasteful number, since it uses less digits than its factorization.

203343400324044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648427786789 (or 5648427786784 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

Adding to 203343400324044 its reverse (440423004343302), we get a palindrome (643766404667346).

The spelling of 203343400324044 in words is "two hundred three trillion, three hundred forty-three billion, four hundred million, three hundred twenty-four thousand, forty-four".