242520423 has 8 divisors (see below), whose sum is σ = 330240768. Its totient is φ = 158240184.

The previous prime is 242520413. The next prime is 242520491. The reversal of 242520423 is 324025242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242520423 - 2⁴ = 242520407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242520393 and 242520402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242520403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859861 + ... + 860142.

It is an arithmetic number, because the mean of its divisors is an integer number (41280096).

Almost surely, 2^242520423 is an apocalyptic number.

242520423 is a deficient number, since it is larger than the sum of its proper divisors (87720345).

242520423 is a wasteful number, since it uses less digits than its factorization.

242520423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720053.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 242520423 is about 15573.0672316021. The cubic root of 242520423 is about 623.6143578904.

Adding to 242520423 its reverse (324025242), we get a palindrome (566545665).

The spelling of 242520423 in words is "two hundred forty-two million, five hundred twenty thousand, four hundred twenty-three".