203430009988 has 12 divisors (see below), whose sum is σ = 356008394560. Its totient is φ = 101713325832.

The previous prime is 203430009977. The next prime is 203430010013. The reversal of 203430009988 is 889900034302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124056 + ... + 649807.

Almost surely, 2^203430009988 is an apocalyptic number.

It is an amenable number.

203430009988 is a deficient number, since it is larger than the sum of its proper divisors (152578384572).

203430009988 is a wasteful number, since it uses less digits than its factorization.

203430009988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839586 (or 839584 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 203430009988 in words is "two hundred three billion, four hundred thirty million, nine thousand, nine hundred eighty-eight".