1310123323 has 2 divisors, whose sum is σ = 1310123324. Its totient is φ = 1310123322.

The previous prime is 1310123317. The next prime is 1310123341. The reversal of 1310123323 is 3233210131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310123323 - 2²¹ = 1308026171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1310123323.

It is not a weakly prime, because it can be changed into another prime (1310123363) 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, 655061661 + 655061662.

It is an arithmetic number, because the mean of its divisors is an integer number (655061662).

Almost surely, 2^1310123323 is an apocalyptic number.

1310123323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310123323 is an equidigital number, since it uses as much as digits as its factorization.

1310123323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1310123323 is about 36195.6257440039. The cubic root of 1310123323 is about 1094.2185156744.

Adding to 1310123323 its reverse (3233210131), we get a palindrome (4543333454).

The spelling of 1310123323 in words is "one billion, three hundred ten million, one hundred twenty-three thousand, three hundred twenty-three".