203402324203 has 8 divisors (see below), whose sum is σ = 219069758768. Its totient is φ = 187737904224.

The previous prime is 203402324173. The next prime is 203402324219. The reversal of 203402324203 is 302423204302.

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

It is not a de Polignac number, because 203402324203 - 2¹⁷ = 203402193131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203402324263) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 612525 + ... + 884302.

It is an arithmetic number, because the mean of its divisors is an integer number (27383719846).

Almost surely, 2^203402324203 is an apocalyptic number.

203402324203 is a deficient number, since it is larger than the sum of its proper divisors (15667434565).

203402324203 is a wasteful number, since it uses less digits than its factorization.

203402324203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507293.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 203402324203 its reverse (302423204302), we get a palindrome (505825528505).

The spelling of 203402324203 in words is "two hundred three billion, four hundred two million, three hundred twenty-four thousand, two hundred three".