1382723 has 4 divisors (see below), whose sum is σ = 1385328. Its totient is φ = 1380120.

The previous prime is 1382681. The next prime is 1382753. The reversal of 1382723 is 3272831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3272831 = 23 ⋅142297.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1382692 and 1382701.

It is not an unprimeable number, because it can be changed into a prime (1382753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (346332).

2^1382723 is an apocalyptic number.

1382723 is a deficient number, since it is larger than the sum of its proper divisors (2605).

1382723 is an equidigital number, since it uses as much as digits as its factorization.

1382723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604.

The product of its digits is 2016, while the sum is 26.

The square root of 1382723 is about 1175.8924270527. The cubic root of 1382723 is about 111.4068074491.

The spelling of 1382723 in words is "one million, three hundred eighty-two thousand, seven hundred twenty-three".