252323143 has 12 divisors (see below), whose sum is σ = 259966240. Its totient is φ = 244897920.

The previous prime is 252323131. The next prime is 252323189. The reversal of 252323143 is 341323252.

It is not a de Polignac number, because 252323143 - 2⁵ = 252323111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252303143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616723 + ... + 617131.

Almost surely, 2^252323143 is an apocalyptic number.

252323143 is a deficient number, since it is larger than the sum of its proper divisors (7643097).

252323143 is an equidigital number, since it uses as much as digits as its factorization.

252323143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 817 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 252323143 is about 15884.6826534243. The cubic root of 252323143 is about 631.9058295504.

Adding to 252323143 its reverse (341323252), we get a palindrome (593646395).

The spelling of 252323143 in words is "two hundred fifty-two million, three hundred twenty-three thousand, one hundred forty-three".