242144323 has 4 divisors (see below), whose sum is σ = 243373680. Its totient is φ = 240914968.

The previous prime is 242144291. The next prime is 242144359. The reversal of 242144323 is 323441242.

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: 323441242 = 2 ⋅161720621.

It is a cyclic number.

It is not a de Polignac number, because 242144323 - 2⁵ = 242144291 is a prime.

It is a super-2 number, since 2×242144323² = 117267746322256658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242141323) 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, 614383 + ... + 614776.

It is an arithmetic number, because the mean of its divisors is an integer number (60843420).

Almost surely, 2^242144323 is an apocalyptic number.

242144323 is a deficient number, since it is larger than the sum of its proper divisors (1229357).

242144323 is a wasteful number, since it uses less digits than its factorization.

242144323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229356.

The product of its digits is 4608, while the sum is 25.

The square root of 242144323 is about 15560.9872116135. The cubic root of 242144323 is about 623.2918246323.

Adding to 242144323 its reverse (323441242), we get a palindrome (565585565).

The spelling of 242144323 in words is "two hundred forty-two million, one hundred forty-four thousand, three hundred twenty-three".