242088523 has 4 divisors (see below), whose sum is σ = 242205208. Its totient is φ = 241971840.

The previous prime is 242088499. The next prime is 242088533. The reversal of 242088523 is 325880242.

It is a happy number.

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 242088523 - 2²⁵ = 208534091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242088533) 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, 55173 + ... + 59398.

It is an arithmetic number, because the mean of its divisors is an integer number (60551302).

Almost surely, 2^242088523 is an apocalyptic number.

242088523 is a deficient number, since it is larger than the sum of its proper divisors (116685).

242088523 is a wasteful number, since it uses less digits than its factorization.

242088523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116684.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 242088523 is about 15559.1941629379. The cubic root of 242088523 is about 623.2439436065.

The spelling of 242088523 in words is "two hundred forty-two million, eighty-eight thousand, five hundred twenty-three".