202340103143 has 4 divisors (see below), whose sum is σ = 202472266728. Its totient is φ = 202207939560.

The previous prime is 202340103139. The next prime is 202340103149. The reversal of 202340103143 is 341301043202.

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 202340103143 - 2² = 202340103139 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 (202340103149) 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 3 ways as a sum of consecutive naturals, for example, 66079496 + ... + 66082557.

It is an arithmetic number, because the mean of its divisors is an integer number (50618066682).

Almost surely, 2^202340103143 is an apocalyptic number.

202340103143 is a deficient number, since it is larger than the sum of its proper divisors (132163585).

202340103143 is a wasteful number, since it uses less digits than its factorization.

202340103143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132163584.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 202340103143 its reverse (341301043202), we get a palindrome (543641146345).

The spelling of 202340103143 in words is "two hundred two billion, three hundred forty million, one hundred three thousand, one hundred forty-three".