242106523 has 4 divisors (see below), whose sum is σ = 242347480. Its totient is φ = 241865568.

The previous prime is 242106479. The next prime is 242106539. The reversal of 242106523 is 325601242.

242106523 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 242106523 - 2¹³ = 242098331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242106563) 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, 118965 + ... + 120982.

It is an arithmetic number, because the mean of its divisors is an integer number (60586870).

Almost surely, 2^242106523 is an apocalyptic number.

242106523 is a deficient number, since it is larger than the sum of its proper divisors (240957).

242106523 is a wasteful number, since it uses less digits than its factorization.

242106523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240956.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 242106523 is about 15559.7725883125. The cubic root of 242106523 is about 623.2593899025.

Adding to 242106523 its reverse (325601242), we get a palindrome (567707765).

The spelling of 242106523 in words is "two hundred forty-two million, one hundred six thousand, five hundred twenty-three".