1964323 has 2 divisors, whose sum is σ = 1964324. Its totient is φ = 1964322.

The previous prime is 1964317. The next prime is 1964363. The reversal of 1964323 is 3234691.

It is a weak prime.

It is an emirp because it is prime and its reverse (3234691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1964323 - 2⁹ = 1963811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1964291 and 1964300.

It is not a weakly prime, because it can be changed into another prime (1964363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982161 + 982162.

It is an arithmetic number, because the mean of its divisors is an integer number (982162).

2^1964323 is an apocalyptic number.

1964323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964323 is an equidigital number, since it uses as much as digits as its factorization.

1964323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 1964323 is about 1401.5430781820. The cubic root of 1964323 is about 125.2384355653.

It can be divided in two parts, 1 and 964323, that added together give a square (964324 = 982²).

The spelling of 1964323 in words is "one million, nine hundred sixty-four thousand, three hundred twenty-three".