203403430230140 has 144 divisors (see below), whose sum is σ = 519943448056032. Its totient is φ = 66573244168704.

The previous prime is 203403430230139. The next prime is 203403430230173. The reversal of 203403430230140 is 41032034304302.

It is a congruent number.

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, 50998802 + ... + 54842361.

It is an arithmetic number, because the mean of its divisors is an integer number (3610718389278).

Almost surely, 2^{203403430230140} is an apocalyptic number.

203403430230140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203403430230140 is an abundant number, since it is smaller than the sum of its proper divisors (316540017825892).

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

203403430230140 is a wasteful number, since it uses less digits than its factorization.

203403430230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105841276 (or 105841267 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 203403430230140 its reverse (41032034304302), we get a palindrome (244435464534442).

The spelling of 203403430230140 in words is "two hundred three trillion, four hundred three billion, four hundred thirty million, two hundred thirty thousand, one hundred forty".