252135243323 has 2 divisors, whose sum is σ = 252135243324. Its totient is φ = 252135243322.

The previous prime is 252135243293. The next prime is 252135243331. The reversal of 252135243323 is 323342531252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252135243323 - 2¹² = 252135239227 is a prime.

It is not a weakly prime, because it can be changed into another prime (252135243023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126067621661 + 126067621662.

It is an arithmetic number, because the mean of its divisors is an integer number (126067621662).

Almost surely, 2^252135243323 is an apocalyptic number.

252135243323 is a deficient number, since it is larger than the sum of its proper divisors (1).

252135243323 is an equidigital number, since it uses as much as digits as its factorization.

252135243323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 35.

Adding to 252135243323 its reverse (323342531252), we get a palindrome (575477774575).

The spelling of 252135243323 in words is "two hundred fifty-two billion, one hundred thirty-five million, two hundred forty-three thousand, three hundred twenty-three".