203404102000043 has 8 divisors (see below), whose sum is σ = 232463085565440. Its totient is φ = 174345432111720.

The previous prime is 203404102000039. The next prime is 203404102000087. The reversal of 203404102000043 is 340000201404302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203404102000043 - 2² = 203404102000039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203404101999982 and 203404102000018.

It is not an unprimeable number, because it can be changed into a prime (203404102000643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77028083 + ... + 79624956.

It is an arithmetic number, because the mean of its divisors is an integer number (29057885695680).

Almost surely, 2^{203404102000043} is an apocalyptic number.

203404102000043 is a deficient number, since it is larger than the sum of its proper divisors (29058983565397).

203404102000043 is a wasteful number, since it uses less digits than its factorization.

203404102000043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156838537.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 203404102000043 its reverse (340000201404302), we get a palindrome (543404303404345).

The spelling of 203404102000043 in words is "two hundred three trillion, four hundred four billion, one hundred two million, forty-three", and thus it is an aban number.