242433523 has 4 divisors (see below), whose sum is σ = 243026680. Its totient is φ = 241840368.

The previous prime is 242433517. The next prime is 242433539. The reversal of 242433523 is 325334242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242433523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242433491 and 242433500.

It is not an unprimeable number, because it can be changed into a prime (242433563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295965 + ... + 296782.

It is an arithmetic number, because the mean of its divisors is an integer number (60756670).

Almost surely, 2^242433523 is an apocalyptic number.

242433523 is a deficient number, since it is larger than the sum of its proper divisors (593157).

242433523 is an equidigital number, since it uses as much as digits as its factorization.

242433523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593156.

The product of its digits is 17280, while the sum is 28.

The square root of 242433523 is about 15570.2769082634. The cubic root of 242433523 is about 623.5398644230.

Adding to 242433523 its reverse (325334242), we get a palindrome (567767765).

The spelling of 242433523 in words is "two hundred forty-two million, four hundred thirty-three thousand, five hundred twenty-three".