1023311323 has 2 divisors, whose sum is σ = 1023311324. Its totient is φ = 1023311322.

The previous prime is 1023311321. The next prime is 1023311339. The reversal of 1023311323 is 3231133201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023311323 - 2¹ = 1023311321 is a prime.

Together with 1023311321, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1023311323.

It is not a weakly prime, because it can be changed into another prime (1023311321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511655661 + 511655662.

It is an arithmetic number, because the mean of its divisors is an integer number (511655662).

Almost surely, 2^1023311323 is an apocalyptic number.

1023311323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023311323 is an equidigital number, since it uses as much as digits as its factorization.

1023311323 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 1023311323 is about 31989.2376120470. The cubic root of 1023311323 is about 1007.7108312605.

Adding to 1023311323 its reverse (3231133201), we get a palindrome (4254444524).

The spelling of 1023311323 in words is "one billion, twenty-three million, three hundred eleven thousand, three hundred twenty-three".