2647123 has 4 divisors (see below), whose sum is σ = 2708728. Its totient is φ = 2585520.

The previous prime is 2647111. The next prime is 2647133. The reversal of 2647123 is 3217462.

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 2647123 - 2¹³ = 2638931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2647133) 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, 30738 + ... + 30823.

It is an arithmetic number, because the mean of its divisors is an integer number (677182).

2^2647123 is an apocalyptic number.

2647123 is a deficient number, since it is larger than the sum of its proper divisors (61605).

2647123 is an equidigital number, since it uses as much as digits as its factorization.

2647123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61604.

The product of its digits is 2016, while the sum is 25.

The square root of 2647123 is about 1626.9981561145. The cubic root of 2647123 is about 138.3326533410.

The spelling of 2647123 in words is "two million, six hundred forty-seven thousand, one hundred twenty-three".