1097923 has 2 divisors, whose sum is σ = 1097924. Its totient is φ = 1097922.

The previous prime is 1097909. The next prime is 1097933. The reversal of 1097923 is 3297901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1097923 - 2⁵ = 1097891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1097903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548961 + 548962.

It is an arithmetic number, because the mean of its divisors is an integer number (548962).

2^1097923 is an apocalyptic number.

1097923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097923 is an equidigital number, since it uses as much as digits as its factorization.

1097923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1097923 is about 1047.8182094238. The cubic root of 1097923 is about 103.1629995254.

The spelling of 1097923 in words is "one million, ninety-seven thousand, nine hundred twenty-three".