231202220323 has 2 divisors, whose sum is σ = 231202220324. Its totient is φ = 231202220322.

The previous prime is 231202220321. The next prime is 231202220357. The reversal of 231202220323 is 323022202132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231202220323 - 2¹ = 231202220321 is a prime.

Together with 231202220321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 231202220294 and 231202220303.

It is not a weakly prime, because it can be changed into another prime (231202220321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115601110161 + 115601110162.

It is an arithmetic number, because the mean of its divisors is an integer number (115601110162).

Almost surely, 2^231202220323 is an apocalyptic number.

231202220323 is a deficient number, since it is larger than the sum of its proper divisors (1).

231202220323 is an equidigital number, since it uses as much as digits as its factorization.

231202220323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 231202220323 its reverse (323022202132), we get a palindrome (554224422455).

The spelling of 231202220323 in words is "two hundred thirty-one billion, two hundred two million, two hundred twenty thousand, three hundred twenty-three".