203422242143 has 8 divisors (see below), whose sum is σ = 214387614720. Its totient is φ = 192482763480.

The previous prime is 203422242139. The next prime is 203422242251. The reversal of 203422242143 is 341242224302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203422242143 - 2² = 203422242139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203422242113) 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 7 ways as a sum of consecutive naturals, for example, 6457343 + ... + 6488768.

It is an arithmetic number, because the mean of its divisors is an integer number (26798451840).

Almost surely, 2^203422242143 is an apocalyptic number.

203422242143 is a deficient number, since it is larger than the sum of its proper divisors (10965372577).

203422242143 is a wasteful number, since it uses less digits than its factorization.

203422242143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12946957.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 203422242143 its reverse (341242224302), we get a palindrome (544664466445).

The spelling of 203422242143 in words is "two hundred three billion, four hundred twenty-two million, two hundred forty-two thousand, one hundred forty-three".