242123022313 has 2 divisors, whose sum is σ = 242123022314. Its totient is φ = 242123022312.

The previous prime is 242123022299. The next prime is 242123022341. The reversal of 242123022313 is 313220321242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228113222544 + 14009799769 = 477612^2 + 118363^2 .

It is a cyclic number.

It is not a de Polignac number, because 242123022313 - 2⁹ = 242123021801 is a prime.

It is not a weakly prime, because it can be changed into another prime (242123022613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121061511156 + 121061511157.

It is an arithmetic number, because the mean of its divisors is an integer number (121061511157).

Almost surely, 2^242123022313 is an apocalyptic number.

It is an amenable number.

242123022313 is a deficient number, since it is larger than the sum of its proper divisors (1).

242123022313 is an equidigital number, since it uses as much as digits as its factorization.

242123022313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 242123022313 its reverse (313220321242), we get a palindrome (555343343555).

The spelling of 242123022313 in words is "two hundred forty-two billion, one hundred twenty-three million, twenty-two thousand, three hundred thirteen".