1323863 has 4 divisors (see below), whose sum is σ = 1393560. Its totient is φ = 1254168.

The previous prime is 1323851. The next prime is 1323869. The reversal of 1323863 is 3683231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3683231 = 1493 ⋅2467.

It is a cyclic number.

It is not a de Polignac number, because 1323863 - 2⁶ = 1323799 is a prime.

It is a super-2 number, since 2×1323863² = 3505226485538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323869) 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 in 3 ways as a sum of consecutive naturals, for example, 34820 + ... + 34857.

It is an arithmetic number, because the mean of its divisors is an integer number (348390).

2^1323863 is an apocalyptic number.

1323863 is a deficient number, since it is larger than the sum of its proper divisors (69697).

1323863 is an equidigital number, since it uses as much as digits as its factorization.

1323863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69696.

The product of its digits is 2592, while the sum is 26.

The square root of 1323863 is about 1150.5924560851. The cubic root of 1323863 is about 109.8030359600.

The spelling of 1323863 in words is "one million, three hundred twenty-three thousand, eight hundred sixty-three".