2297723 has 4 divisors (see below), whose sum is σ = 2397648. Its totient is φ = 2197800.

The previous prime is 2297719. The next prime is 2297731. The reversal of 2297723 is 3277922.

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 2297723 - 2² = 2297719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2297723.

It is not an unprimeable number, because it can be changed into a prime (2297923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49928 + ... + 49973.

It is an arithmetic number, because the mean of its divisors is an integer number (599412).

2^2297723 is an apocalyptic number.

2297723 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2297723 is a deficient number, since it is larger than the sum of its proper divisors (99925).

2297723 is an equidigital number, since it uses as much as digits as its factorization.

2297723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99924.

The product of its digits is 10584, while the sum is 32.

The square root of 2297723 is about 1515.8241982499. The cubic root of 2297723 is about 131.9570375948.

The spelling of 2297723 in words is "two million, two hundred ninety-seven thousand, seven hundred twenty-three".