203423424204 has 144 divisors (see below), whose sum is σ = 642126996224. Its totient is φ = 48772817280.

The previous prime is 203423424181. The next prime is 203423424227. The reversal of 203423424204 is 402424324302.

It is an interprime number because it is at equal distance from previous prime (203423424181) and next prime (203423424227).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 637642 + ... + 901905.

Almost surely, 2^203423424204 is an apocalyptic number.

It is an amenable number.

203423424204 is an abundant number, since it is smaller than the sum of its proper divisors (438703572020).

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

203423424204 is a wasteful number, since it uses less digits than its factorization.

203423424204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539596 (or 1539583 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 203423424204 its reverse (402424324302), we get a palindrome (605847748506).

The spelling of 203423424204 in words is "two hundred three billion, four hundred twenty-three million, four hundred twenty-four thousand, two hundred four".