242134223 has 2 divisors, whose sum is σ = 242134224. Its totient is φ = 242134222.

The previous prime is 242134187. The next prime is 242134231. The reversal of 242134223 is 322431242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242134223 - 2⁶ = 242134159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242134523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121067111 + 121067112.

It is an arithmetic number, because the mean of its divisors is an integer number (121067112).

Almost surely, 2^242134223 is an apocalyptic number.

242134223 is a deficient number, since it is larger than the sum of its proper divisors (1).

242134223 is an equidigital number, since it uses as much as digits as its factorization.

242134223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 23.

The square root of 242134223 is about 15560.6626786908. The cubic root of 242134223 is about 623.2831585402.

Adding to 242134223 its reverse (322431242), we get a palindrome (564565465).

The spelling of 242134223 in words is "two hundred forty-two million, one hundred thirty-four thousand, two hundred twenty-three".