203343403423 has 8 divisors (see below), whose sum is σ = 203714787600. Its totient is φ = 202972358208.

The previous prime is 203343403381. The next prime is 203343403427. The reversal of 203343403423 is 324304343302.

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 203343403423 - 2²¹ = 203341306271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203343403427) 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, 1132033 + ... + 1299301.

It is an arithmetic number, because the mean of its divisors is an integer number (25464348450).

Almost surely, 2^203343403423 is an apocalyptic number.

203343403423 is a deficient number, since it is larger than the sum of its proper divisors (371384177).

203343403423 is a wasteful number, since it uses less digits than its factorization.

203343403423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169481.

The product of its (nonzero) digits is 62208, while the sum is 31.

Adding to 203343403423 its reverse (324304343302), we get a palindrome (527647746725).

The spelling of 203343403423 in words is "two hundred three billion, three hundred forty-three million, four hundred three thousand, four hundred twenty-three".