252111323 has 4 divisors (see below), whose sum is σ = 265380360. Its totient is φ = 238842288.

The previous prime is 252111311. The next prime is 252111329. The reversal of 252111323 is 323111252.

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 252111323 - 2¹² = 252107227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252111295 and 252111304.

It is not an unprimeable number, because it can be changed into a prime (252111329) 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 3 ways as a sum of consecutive naturals, for example, 6634490 + ... + 6634527.

It is an arithmetic number, because the mean of its divisors is an integer number (66345090).

Almost surely, 2^252111323 is an apocalyptic number.

252111323 is a deficient number, since it is larger than the sum of its proper divisors (13269037).

252111323 is a wasteful number, since it uses less digits than its factorization.

252111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13269036.

The product of its digits is 360, while the sum is 20.

The square root of 252111323 is about 15878.0138241532. The cubic root of 252111323 is about 631.7289561391.

Adding to 252111323 its reverse (323111252), we get a palindrome (575222575).

The spelling of 252111323 in words is "two hundred fifty-two million, one hundred eleven thousand, three hundred twenty-three".