1320912323 has 2 divisors, whose sum is σ = 1320912324. Its totient is φ = 1320912322.

The previous prime is 1320912317. The next prime is 1320912337. The reversal of 1320912323 is 3232190231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320912323 - 2²⁶ = 1253803459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320912292 and 1320912301.

It is not a weakly prime, because it can be changed into another prime (1320912353) 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, 660456161 + 660456162.

It is an arithmetic number, because the mean of its divisors is an integer number (660456162).

Almost surely, 2^1320912323 is an apocalyptic number.

1320912323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320912323 is an equidigital number, since it uses as much as digits as its factorization.

1320912323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1320912323 is about 36344.3575125493. The cubic root of 1320912323 is about 1097.2139752737.

The spelling of 1320912323 in words is "one billion, three hundred twenty million, nine hundred twelve thousand, three hundred twenty-three".