242323001321 has 2 divisors, whose sum is σ = 242323001322. Its totient is φ = 242323001320.

The previous prime is 242323001311. The next prime is 242323001351. The reversal of 242323001321 is 123100323242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189019735696 + 53303265625 = 434764^2 + 230875^2 .

It is a cyclic number.

It is not a de Polignac number, because 242323001321 - 2⁶ = 242323001257 is a prime.

It is not a weakly prime, because it can be changed into another prime (242323001311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121161500660 + 121161500661.

It is an arithmetic number, because the mean of its divisors is an integer number (121161500661).

Almost surely, 2^242323001321 is an apocalyptic number.

It is an amenable number.

242323001321 is a deficient number, since it is larger than the sum of its proper divisors (1).

242323001321 is an equidigital number, since it uses as much as digits as its factorization.

242323001321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 242323001321 its reverse (123100323242), we get a palindrome (365423324563).

The spelling of 242323001321 in words is "two hundred forty-two billion, three hundred twenty-three million, one thousand, three hundred twenty-one".