203401144230 has 64 divisors (see below), whose sum is σ = 539351198208. Its totient is φ = 48830144000.

The previous prime is 203401144189. The next prime is 203401144231. The reversal of 203401144230 is 32441104302.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 203401144230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203401144231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8658396 + ... + 8681855.

It is an arithmetic number, because the mean of its divisors is an integer number (8427362472).

Almost surely, 2^203401144230 is an apocalyptic number.

203401144230 is an abundant number, since it is smaller than the sum of its proper divisors (335950053978).

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

203401144230 is a wasteful number, since it uses less digits than its factorization.

203401144230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17340301.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 203401144230 its reverse (32441104302), we get a palindrome (235842248532).

The spelling of 203401144230 in words is "two hundred three billion, four hundred one million, one hundred forty-four thousand, two hundred thirty".