1316923 has 2 divisors, whose sum is σ = 1316924. Its totient is φ = 1316922.

The previous prime is 1316921. The next prime is 1316951. The reversal of 1316923 is 3296131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1316923 - 2¹ = 1316921 is a prime.

Together with 1316921, it forms a pair of twin primes.

1316923 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1316921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658461 + 658462.

It is an arithmetic number, because the mean of its divisors is an integer number (658462).

2^1316923 is an apocalyptic number.

1316923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316923 is an equidigital number, since it uses as much as digits as its factorization.

1316923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 25.

The square root of 1316923 is about 1147.5726556519. The cubic root of 1316923 is about 109.6108286227.

The spelling of 1316923 in words is "one million, three hundred sixteen thousand, nine hundred twenty-three".