243142301401 has 2 divisors, whose sum is σ = 243142301402. Its totient is φ = 243142301400.

The previous prime is 243142301393. The next prime is 243142301411. The reversal of 243142301401 is 104103241342.

243142301401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230495049801 + 12647251600 = 480099^2 + 112460^2 .

It is a cyclic number.

It is not a de Polignac number, because 243142301401 - 2³ = 243142301393 is a prime.

It is not a weakly prime, because it can be changed into another prime (243142301411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121571150700 + 121571150701.

It is an arithmetic number, because the mean of its divisors is an integer number (121571150701).

Almost surely, 2^243142301401 is an apocalyptic number.

It is an amenable number.

243142301401 is a deficient number, since it is larger than the sum of its proper divisors (1).

243142301401 is an equidigital number, since it uses as much as digits as its factorization.

243142301401 is an odious number, because the sum of its binary digits is odd.

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

Adding to 243142301401 its reverse (104103241342), we get a palindrome (347245542743).

The spelling of 243142301401 in words is "two hundred forty-three billion, one hundred forty-two million, three hundred one thousand, four hundred one".