243403434141 has 32 divisors (see below), whose sum is σ = 381904523520. Its totient is φ = 134980494336.

The previous prime is 243403434077. The next prime is 243403434151. The reversal of 243403434141 is 141434304342.

It is not a de Polignac number, because 243403434141 - 2⁶ = 243403434077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243403434151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100396 + ... + 704901.

It is an arithmetic number, because the mean of its divisors is an integer number (11934516360).

Almost surely, 2^243403434141 is an apocalyptic number.

243403434141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

243403434141 is a deficient number, since it is larger than the sum of its proper divisors (138501089379).

243403434141 is a wasteful number, since it uses less digits than its factorization.

243403434141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805733.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 243403434141 its reverse (141434304342), we get a palindrome (384837738483).

The spelling of 243403434141 in words is "two hundred forty-three billion, four hundred three million, four hundred thirty-four thousand, one hundred forty-one".