1655323 has 2 divisors, whose sum is σ = 1655324. Its totient is φ = 1655322.

The previous prime is 1655321. The next prime is 1655327. The reversal of 1655323 is 3235561.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1655323 - 2¹ = 1655321 is a prime.

Together with 1655321, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 1 + 6 + 5⁴ + 5⁶ + 3¹⁰ + 2²⁰ + 3¹² .

It is not a weakly prime, because it can be changed into another prime (1655321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827661 + 827662.

It is an arithmetic number, because the mean of its divisors is an integer number (827662).

2^1655323 is an apocalyptic number.

1655323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655323 is an equidigital number, since it uses as much as digits as its factorization.

1655323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 25.

The square root of 1655323 is about 1286.5935644173. The cubic root of 1655323 is about 118.2935094893.

The spelling of 1655323 in words is "one million, six hundred fifty-five thousand, three hundred twenty-three".