323505144250231 has 2 divisors, whose sum is σ = 323505144250232. Its totient is φ = 323505144250230.

The previous prime is 323505144250229. The next prime is 323505144250241. The reversal of 323505144250231 is 132052441505323.

It is a weak prime.

It is an emirp because it is prime and its reverse (132052441505323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323505144250231 - 2¹ = 323505144250229 is a prime.

It is a super-2 number, since 2×323505144250231² (a number of 30 digits) contains 22 as substring.

Together with 323505144250229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323505144250241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161752572125115 + 161752572125116.

It is an arithmetic number, because the mean of its divisors is an integer number (161752572125116).

Almost surely, 2^{323505144250231} is an apocalyptic number.

323505144250231 is a deficient number, since it is larger than the sum of its proper divisors (1).

323505144250231 is an equidigital number, since it uses as much as digits as its factorization.

323505144250231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 323505144250231 its reverse (132052441505323), we get a palindrome (455557585755554).

The spelling of 323505144250231 in words is "three hundred twenty-three trillion, five hundred five billion, one hundred forty-four million, two hundred fifty thousand, two hundred thirty-one".