2195623 has 4 divisors (see below), whose sum is σ = 2246728. Its totient is φ = 2144520.

The previous prime is 2195597. The next prime is 2195629. The reversal of 2195623 is 3265912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2195623 - 2¹⁷ = 2064551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2195591 and 2195600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25488 + ... + 25573.

It is an arithmetic number, because the mean of its divisors is an integer number (561682).

2^2195623 is an apocalyptic number.

2195623 is a deficient number, since it is larger than the sum of its proper divisors (51105).

2195623 is an equidigital number, since it uses as much as digits as its factorization.

2195623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51104.

The product of its digits is 3240, while the sum is 28.

The square root of 2195623 is about 1481.7634764024. The cubic root of 2195623 is about 129.9728345605.

It can be divided in two parts, 2 and 195623, that added together give a triangular number (195625 = T₆₂₅).

The spelling of 2195623 in words is "two million, one hundred ninety-five thousand, six hundred twenty-three".