252242423 has 8 divisors (see below), whose sum is σ = 270529200. Its totient is φ = 234456768.

The previous prime is 252242411. The next prime is 252242437. The reversal of 252242423 is 324242252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 252242423 - 2⁸ = 252242167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252242392 and 252242401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252242483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124238 + ... + 126251.

It is an arithmetic number, because the mean of its divisors is an integer number (33816150).

Almost surely, 2^252242423 is an apocalyptic number.

252242423 is a deficient number, since it is larger than the sum of its proper divisors (18286777).

252242423 is a wasteful number, since it uses less digits than its factorization.

252242423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250561.

The product of its digits is 7680, while the sum is 26.

The square root of 252242423 is about 15882.1416377011. The cubic root of 252242423 is about 631.8384386138.

Adding to 252242423 its reverse (324242252), we get a palindrome (576484675).

The spelling of 252242423 in words is "two hundred fifty-two million, two hundred forty-two thousand, four hundred twenty-three".