203214122143 has 4 divisors (see below), whose sum is σ = 203215533048. Its totient is φ = 203212711240.

The previous prime is 203214122141. The next prime is 203214122159. The reversal of 203214122143 is 341221412302.

203214122143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203214122143 - 2¹ = 203214122141 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 (203214122141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 461221 + ... + 786862.

It is an arithmetic number, because the mean of its divisors is an integer number (50803883262).

Almost surely, 2^203214122143 is an apocalyptic number.

203214122143 is a deficient number, since it is larger than the sum of its proper divisors (1410905).

203214122143 is a wasteful number, since it uses less digits than its factorization.

203214122143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410904.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 203214122143 its reverse (341221412302), we get a palindrome (544435534445).

The spelling of 203214122143 in words is "two hundred three billion, two hundred fourteen million, one hundred twenty-two thousand, one hundred forty-three".