1017923 has 2 divisors, whose sum is σ = 1017924. Its totient is φ = 1017922.

The previous prime is 1017889. The next prime is 1017953. The reversal of 1017923 is 3297101.

It is a strong prime.

It is an emirp because it is prime and its reverse (3297101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1017923 - 2⁶ = 1017859 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (1017953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508961 + 508962.

It is an arithmetic number, because the mean of its divisors is an integer number (508962).

2^1017923 is an apocalyptic number.

1017923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1017923 is an equidigital number, since it uses as much as digits as its factorization.

1017923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1017923 is about 1008.9217016201. The cubic root of 1017923 is about 100.5938991883.

The spelling of 1017923 in words is "one million, seventeen thousand, nine hundred twenty-three".