243141443203 has 2 divisors, whose sum is σ = 243141443204. Its totient is φ = 243141443202.

The previous prime is 243141443189. The next prime is 243141443219. The reversal of 243141443203 is 302344141342.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243141443203 is a prime.

It is a super-2 number, since 2×243141443203² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243141443243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121570721601 + 121570721602.

It is an arithmetic number, because the mean of its divisors is an integer number (121570721602).

Almost surely, 2^243141443203 is an apocalyptic number.

243141443203 is a deficient number, since it is larger than the sum of its proper divisors (1).

243141443203 is an equidigital number, since it uses as much as digits as its factorization.

243141443203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 243141443203 its reverse (302344141342), we get a palindrome (545485584545).

The spelling of 243141443203 in words is "two hundred forty-three billion, one hundred forty-one million, four hundred forty-three thousand, two hundred three".