203143420344 has 32 divisors (see below), whose sum is σ = 521584459920. Its totient is φ = 65884352256.

The previous prime is 203143420261. The next prime is 203143420367. The reversal of 203143420344 is 443024341302.

It is a happy number.

203143420344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114381669 + ... + 114383444.

Almost surely, 2^203143420344 is an apocalyptic number.

203143420344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

203143420344 is an abundant number, since it is smaller than the sum of its proper divisors (318441039576).

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

203143420344 is a wasteful number, since it uses less digits than its factorization.

203143420344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228765159 (or 228765155 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 203143420344 its reverse (443024341302), we get a palindrome (646167761646).

The spelling of 203143420344 in words is "two hundred three billion, one hundred forty-three million, four hundred twenty thousand, three hundred forty-four".