1398323 has 2 divisors, whose sum is σ = 1398324. Its totient is φ = 1398322.

The previous prime is 1398307. The next prime is 1398329. The reversal of 1398323 is 3238931.

It is a strong prime.

It is an emirp because it is prime and its reverse (3238931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1398323 - 2⁴ = 1398307 is a prime.

It is not a weakly prime, because it can be changed into another prime (1398329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699161 + 699162.

It is an arithmetic number, because the mean of its divisors is an integer number (699162).

2^1398323 is an apocalyptic number.

1398323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398323 is an equidigital number, since it uses as much as digits as its factorization.

1398323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 1398323 is about 1182.5070824312. The cubic root of 1398323 is about 111.8242087098.

The spelling of 1398323 in words is "one million, three hundred ninety-eight thousand, three hundred twenty-three".