1347923 has 4 divisors (see below), whose sum is σ = 1351560. Its totient is φ = 1344288.

The previous prime is 1347919. The next prime is 1347937. The reversal of 1347923 is 3297431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3297431 = 19 ⋅173549.

It is a cyclic number.

It is not a de Polignac number, because 1347923 - 2² = 1347919 is a prime.

It is a d-powerful number, because it can be written as 1 + 3² + 4³ + 7⁷ + 9 + 2¹⁹ + 3² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1347953) 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, 1190 + ... + 2027.

It is an arithmetic number, because the mean of its divisors is an integer number (337890).

2^1347923 is an apocalyptic number.

1347923 is a deficient number, since it is larger than the sum of its proper divisors (3637).

1347923 is an equidigital number, since it uses as much as digits as its factorization.

1347923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636.

The product of its digits is 4536, while the sum is 29.

The square root of 1347923 is about 1161.0008613261. Note that the first 3 decimals coincide. The cubic root of 1347923 is about 110.4642363600.

The spelling of 1347923 in words is "one million, three hundred forty-seven thousand, nine hundred twenty-three".