242523143 has 4 divisors (see below), whose sum is σ = 250886040. Its totient is φ = 234160248.

The previous prime is 242523107. The next prime is 242523157. The reversal of 242523143 is 341325242.

242523143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242523143 - 2⁸ = 242522887 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 (242523103) 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, 4181405 + ... + 4181462.

It is an arithmetic number, because the mean of its divisors is an integer number (62721510).

Almost surely, 2^242523143 is an apocalyptic number.

242523143 is a deficient number, since it is larger than the sum of its proper divisors (8362897).

242523143 is an equidigital number, since it uses as much as digits as its factorization.

242523143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8362896.

The product of its digits is 5760, while the sum is 26.

The square root of 242523143 is about 15573.1545616166. The cubic root of 242523143 is about 623.6166892744.

Adding to 242523143 its reverse (341325242), we get a palindrome (583848385).

The spelling of 242523143 in words is "two hundred forty-two million, five hundred twenty-three thousand, one hundred forty-three".