2195923 has 2 divisors, whose sum is σ = 2195924. Its totient is φ = 2195922.

The previous prime is 2195917. The next prime is 2195933. The reversal of 2195923 is 3295912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2195923 - 2⁵ = 2195891 is a prime.

It is a d-powerful number, because it can be written as 2³ + 1 + 9⁴ + 5⁹ + 9⁵ + 2⁵ + 3¹¹ .

It is not a weakly prime, because it can be changed into another prime (2195933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097961 + 1097962.

It is an arithmetic number, because the mean of its divisors is an integer number (1097962).

2^2195923 is an apocalyptic number.

2195923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195923 is an equidigital number, since it uses as much as digits as its factorization.

2195923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 31.

The square root of 2195923 is about 1481.8647036757. The cubic root of 2195923 is about 129.9787539244.

The spelling of 2195923 in words is "two million, one hundred ninety-five thousand, nine hundred twenty-three".