243203104141 has 4 divisors (see below), whose sum is σ = 243204450784. Its totient is φ = 243201757500.

The previous prime is 243203104091. The next prime is 243203104169. The reversal of 243203104141 is 141401302342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243203104141 - 2⁹ = 243203103629 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 (243203104241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350985 + ... + 780766.

It is an arithmetic number, because the mean of its divisors is an integer number (60801112696).

Almost surely, 2^243203104141 is an apocalyptic number.

It is an amenable number.

243203104141 is a deficient number, since it is larger than the sum of its proper divisors (1346643).

243203104141 is a wasteful number, since it uses less digits than its factorization.

243203104141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346642.

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

Adding to 243203104141 its reverse (141401302342), we get a palindrome (384604406483).

The spelling of 243203104141 in words is "two hundred forty-three billion, two hundred three million, one hundred four thousand, one hundred forty-one".