1312323223 has 2 divisors, whose sum is σ = 1312323224. Its totient is φ = 1312323222.

The previous prime is 1312323197. The next prime is 1312323239. The reversal of 1312323223 is 3223232131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312323223 - 2¹⁷ = 1312192151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312323194 and 1312323203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312323323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656161611 + 656161612.

It is an arithmetic number, because the mean of its divisors is an integer number (656161612).

Almost surely, 2^1312323223 is an apocalyptic number.

1312323223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312323223 is an equidigital number, since it uses as much as digits as its factorization.

1312323223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 22.

The square root of 1312323223 is about 36226.0020289294. The cubic root of 1312323223 is about 1094.8306273202.

Adding to 1312323223 its reverse (3223232131), we get a palindrome (4535555354).

The spelling of 1312323223 in words is "one billion, three hundred twelve million, three hundred twenty-three thousand, two hundred twenty-three".