203404304230 has 16 divisors (see below), whose sum is σ = 369902262240. Its totient is φ = 80522940672.

The previous prime is 203404304209. The next prime is 203404304293. The reversal of 203404304230 is 32403404302.

It is a junction number, because it is equal to n+sod(n) for n = 203404304195 and 203404304204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104846610 + ... + 104848549.

It is an arithmetic number, because the mean of its divisors is an integer number (23118891390).

Almost surely, 2^203404304230 is an apocalyptic number.

203404304230 is a deficient number, since it is larger than the sum of its proper divisors (166497958010).

203404304230 is a wasteful number, since it uses less digits than its factorization.

203404304230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209695263.

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

Adding to 203404304230 its reverse (32403404302), we get a palindrome (235807708532).

The spelling of 203404304230 in words is "two hundred three billion, four hundred four million, three hundred four thousand, two hundred thirty".