242403213233 has 2 divisors, whose sum is σ = 242403213234. Its totient is φ = 242403213232.

The previous prime is 242403213119. The next prime is 242403213259. The reversal of 242403213233 is 332312304242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168020469409 + 74382743824 = 409903^2 + 272732^2 .

It is a cyclic number.

It is not a de Polignac number, because 242403213233 - 2⁸ = 242403212977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242403213196 and 242403213205.

It is not a weakly prime, because it can be changed into another prime (242403213263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121201606616 + 121201606617.

It is an arithmetic number, because the mean of its divisors is an integer number (121201606617).

Almost surely, 2^242403213233 is an apocalyptic number.

It is an amenable number.

242403213233 is a deficient number, since it is larger than the sum of its proper divisors (1).

242403213233 is an equidigital number, since it uses as much as digits as its factorization.

242403213233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 242403213233 its reverse (332312304242), we get a palindrome (574715517475).

The spelling of 242403213233 in words is "two hundred forty-two billion, four hundred three million, two hundred thirteen thousand, two hundred thirty-three".