243004341201001 has 2 divisors, whose sum is σ = 243004341201002. Its totient is φ = 243004341201000.

The previous prime is 243004341200983. The next prime is 243004341201067. The reversal of 243004341201001 is 100102143400342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142580292608601 + 100424048592400 = 11940699^2 + 10021180^2 .

It is a cyclic number.

It is not a de Polignac number, because 243004341201001 - 2⁵ = 243004341200969 is a prime.

It is a super-2 number, since 2×243004341201001² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243004341201901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121502170600500 + 121502170600501.

It is an arithmetic number, because the mean of its divisors is an integer number (121502170600501).

Almost surely, 2^{243004341201001} is an apocalyptic number.

It is an amenable number.

243004341201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

243004341201001 is an equidigital number, since it uses as much as digits as its factorization.

243004341201001 is an evil number, because the sum of its binary digits is even.

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

Adding to 243004341201001 its reverse (100102143400342), we get a palindrome (343106484601343).

The spelling of 243004341201001 in words is "two hundred forty-three trillion, four billion, three hundred forty-one million, two hundred one thousand, one".