242234243 has 4 divisors (see below), whose sum is σ = 242381568. Its totient is φ = 242086920.

The previous prime is 242234171. The next prime is 242234263. The reversal of 242234243 is 342432242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342432242 = 2 ⋅171216121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242234243 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (242234263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71168 + ... + 74493.

It is an arithmetic number, because the mean of its divisors is an integer number (60595392).

Almost surely, 2^242234243 is an apocalyptic number.

242234243 is a deficient number, since it is larger than the sum of its proper divisors (147325).

242234243 is a wasteful number, since it uses less digits than its factorization.

242234243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147324.

The product of its digits is 9216, while the sum is 26.

The square root of 242234243 is about 15563.8762202737. The cubic root of 242234243 is about 623.3689679712.

Adding to 242234243 its reverse (342432242), we get a palindrome (584666485).

The spelling of 242234243 in words is "two hundred forty-two million, two hundred thirty-four thousand, two hundred forty-three".