203401034043 has 8 divisors (see below), whose sum is σ = 275249160768. Its totient is φ = 133576798344.

The previous prime is 203401033981. The next prime is 203401034047. The reversal of 203401034043 is 340430104302.

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

It is not a de Polignac number, because 203401034043 - 2²⁴ = 203384256827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203401034047) 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, 505972521 + ... + 505972922.

It is an arithmetic number, because the mean of its divisors is an integer number (34406145096).

Almost surely, 2^203401034043 is an apocalyptic number.

203401034043 is a deficient number, since it is larger than the sum of its proper divisors (71848126725).

203401034043 is a wasteful number, since it uses less digits than its factorization.

203401034043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011945513.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 203401034043 its reverse (340430104302), we get a palindrome (543831138345).

The spelling of 203401034043 in words is "two hundred three billion, four hundred one million, thirty-four thousand, forty-three".