201103142243 has 8 divisors (see below), whose sum is σ = 203475328512. Its totient is φ = 198743279616.

The previous prime is 201103142209. The next prime is 201103142323. The reversal of 201103142243 is 342241301102.

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 201103142243 - 2⁶ = 201103142179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201103142143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048080 + ... + 3113357.

It is an arithmetic number, because the mean of its divisors is an integer number (25434416064).

Almost surely, 2^201103142243 is an apocalyptic number.

201103142243 is a deficient number, since it is larger than the sum of its proper divisors (2372186269).

201103142243 is a wasteful number, since it uses less digits than its factorization.

201103142243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161821.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201103142243 its reverse (342241301102), we get a palindrome (543344443345).

The spelling of 201103142243 in words is "two hundred one billion, one hundred three million, one hundred forty-two thousand, two hundred forty-three".