242120532223 has 2 divisors, whose sum is σ = 242120532224. Its totient is φ = 242120532222.

The previous prime is 242120532221. The next prime is 242120532359. The reversal of 242120532223 is 322235021242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242120532223 - 2¹ = 242120532221 is a prime.

Together with 242120532221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 242120532191 and 242120532200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242120532221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121060266111 + 121060266112.

It is an arithmetic number, because the mean of its divisors is an integer number (121060266112).

Almost surely, 2^242120532223 is an apocalyptic number.

242120532223 is a deficient number, since it is larger than the sum of its proper divisors (1).

242120532223 is an equidigital number, since it uses as much as digits as its factorization.

242120532223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 242120532223 its reverse (322235021242), we get a palindrome (564355553465).

The spelling of 242120532223 in words is "two hundred forty-two billion, one hundred twenty million, five hundred thirty-two thousand, two hundred twenty-three".