242444423 has 4 divisors (see below), whose sum is σ = 261094008. Its totient is φ = 223794840.

The previous prime is 242444417. The next prime is 242444431. The reversal of 242444423 is 324444242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242444423 - 2⁶ = 242444359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242444723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9324773 + ... + 9324798.

It is an arithmetic number, because the mean of its divisors is an integer number (65273502).

Almost surely, 2^242444423 is an apocalyptic number.

242444423 is a deficient number, since it is larger than the sum of its proper divisors (18649585).

242444423 is a wasteful number, since it uses less digits than its factorization.

242444423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18649584.

The product of its digits is 24576, while the sum is 29.

The square root of 242444423 is about 15570.6269302170. The cubic root of 242444423 is about 623.5492092289.

Adding to 242444423 its reverse (324444242), we get a palindrome (566888665).

The spelling of 242444423 in words is "two hundred forty-two million, four hundred forty-four thousand, four hundred twenty-three".