1304923 has 2 divisors, whose sum is σ = 1304924. Its totient is φ = 1304922.

The previous prime is 1304893. The next prime is 1304929. The reversal of 1304923 is 3294031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1304923 - 2⁹ = 1304411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1304894 and 1304903.

It is not a weakly prime, because it can be changed into another prime (1304929) 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, 652461 + 652462.

It is an arithmetic number, because the mean of its divisors is an integer number (652462).

2^1304923 is an apocalyptic number.

1304923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304923 is an equidigital number, since it uses as much as digits as its factorization.

1304923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1304923 is about 1142.3322633980. The cubic root of 1304923 is about 109.2768821294.

Adding to 1304923 its reverse (3294031), we get a palindrome (4598954).

The spelling of 1304923 in words is "one million, three hundred four thousand, nine hundred twenty-three".