252144422323 has 4 divisors (see below), whose sum is σ = 252451541808. Its totient is φ = 251837302840.

The previous prime is 252144422293. The next prime is 252144422347. The reversal of 252144422323 is 323224441252.

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 252144422323 - 2¹³ = 252144414131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252144422393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153558511 + ... + 153560152.

It is an arithmetic number, because the mean of its divisors is an integer number (63112885452).

Almost surely, 2^252144422323 is an apocalyptic number.

252144422323 is a deficient number, since it is larger than the sum of its proper divisors (307119485).

252144422323 is an equidigital number, since it uses as much as digits as its factorization.

252144422323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307119484.

The product of its digits is 92160, while the sum is 34.

Adding to 252144422323 its reverse (323224441252), we get a palindrome (575368863575).

The spelling of 252144422323 in words is "two hundred fifty-two billion, one hundred forty-four million, four hundred twenty-two thousand, three hundred twenty-three".