242144423 has 16 divisors (see below), whose sum is σ = 252149760. Its totient is φ = 232396416.

The previous prime is 242144407. The next prime is 242144453. The reversal of 242144423 is 324441242.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 242144423 - 2⁴ = 242144407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242144392 and 242144401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242144453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674318 + ... + 674676.

It is an arithmetic number, because the mean of its divisors is an integer number (15759360).

Almost surely, 2^242144423 is an apocalyptic number.

242144423 is a deficient number, since it is larger than the sum of its proper divisors (10005337).

242144423 is a wasteful number, since it uses less digits than its factorization.

242144423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646.

The product of its digits is 6144, while the sum is 26.

The square root of 242144423 is about 15560.9904247770. The cubic root of 242144423 is about 623.2919104340.

Adding to 242144423 its reverse (324441242), we get a palindrome (566585665).

The spelling of 242144423 in words is "two hundred forty-two million, one hundred forty-four thousand, four hundred twenty-three".