123021530341 has 2 divisors, whose sum is σ = 123021530342. Its totient is φ = 123021530340.

The previous prime is 123021530327. The next prime is 123021530441. The reversal of 123021530341 is 143035120321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74996561025 + 48024969316 = 273855^2 + 219146^2 .

It is a cyclic number.

It is not a de Polignac number, because 123021530341 - 2¹⁷ = 123021399269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123021530311) 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, 61510765170 + 61510765171.

It is an arithmetic number, because the mean of its divisors is an integer number (61510765171).

Almost surely, 2^123021530341 is an apocalyptic number.

It is an amenable number.

123021530341 is a deficient number, since it is larger than the sum of its proper divisors (1).

123021530341 is an equidigital number, since it uses as much as digits as its factorization.

123021530341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 123021530341 its reverse (143035120321), we get a palindrome (266056650662).

The spelling of 123021530341 in words is "one hundred twenty-three billion, twenty-one million, five hundred thirty thousand, three hundred forty-one".