242003243 has 4 divisors (see below), whose sum is σ = 243850728. Its totient is φ = 240155760.

The previous prime is 242003227. The next prime is 242003257. The reversal of 242003243 is 342300242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342300242 = 2 ⋅171150121.

It is a cyclic number.

It is not a de Polignac number, because 242003243 - 2⁴ = 242003227 is a prime.

It is a super-3 number, since 3×242003243³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242003213) 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, 923546 + ... + 923807.

It is an arithmetic number, because the mean of its divisors is an integer number (60962682).

Almost surely, 2^242003243 is an apocalyptic number.

242003243 is a deficient number, since it is larger than the sum of its proper divisors (1847485).

242003243 is a wasteful number, since it uses less digits than its factorization.

242003243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847484.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 242003243 is about 15556.4534197226. The cubic root of 242003243 is about 623.1707520798.

Adding to 242003243 its reverse (342300242), we get a palindrome (584303485).

The spelling of 242003243 in words is "two hundred forty-two million, three thousand, two hundred forty-three".