243120425341 has 2 divisors, whose sum is σ = 243120425342. Its totient is φ = 243120425340.

The previous prime is 243120425293. The next prime is 243120425413. The reversal of 243120425341 is 143524021342.

Together with next prime (243120425413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168082780441 + 75037644900 = 409979^2 + 273930^2 .

It is a cyclic number.

It is not a de Polignac number, because 243120425341 - 2²⁵ = 243086870909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243120425441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121560212670 + 121560212671.

It is an arithmetic number, because the mean of its divisors is an integer number (121560212671).

Almost surely, 2^243120425341 is an apocalyptic number.

It is an amenable number.

243120425341 is a deficient number, since it is larger than the sum of its proper divisors (1).

243120425341 is an equidigital number, since it uses as much as digits as its factorization.

243120425341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 243120425341 its reverse (143524021342), we get a palindrome (386644446683).

The spelling of 243120425341 in words is "two hundred forty-three billion, one hundred twenty million, four hundred twenty-five thousand, three hundred forty-one".