203204023144434 has 48 divisors (see below), whose sum is σ = 474462440105472. Its totient is φ = 62482154009184.

The previous prime is 203204023144433. The next prime is 203204023144531. The reversal of 203204023144434 is 434441320402302.

203204023144434 is a `hidden beast` number, since 2 + 0 + 3 + 20 + 40 + 23 + 144 + 434 = 666.

It is not an unprimeable number, because it can be changed into a prime (203204023144433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292435602 + ... + 293129645.

It is an arithmetic number, because the mean of its divisors is an integer number (9884634168864).

Almost surely, 2^{203204023144434} is an apocalyptic number.

203204023144434 is an abundant number, since it is smaller than the sum of its proper divisors (271258416961038).

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

203204023144434 is a wasteful number, since it uses less digits than its factorization.

203204023144434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585566751 (or 585566748 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 203204023144434 its reverse (434441320402302), we get a palindrome (637645343546736).

The spelling of 203204023144434 in words is "two hundred three trillion, two hundred four billion, twenty-three million, one hundred forty-four thousand, four hundred thirty-four".