2663723 has 4 divisors (see below), whose sum is σ = 2667000. Its totient is φ = 2660448.

The previous prime is 2663711. The next prime is 2663761. The reversal of 2663723 is 3273662.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2663723 - 2⁸ = 2663467 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 6⁷ + 6⁷ + 3 + 7 + 2²¹ + 3⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2663783) 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, 611 + ... + 2387.

It is an arithmetic number, because the mean of its divisors is an integer number (666750).

2^2663723 is an apocalyptic number.

2663723 is a deficient number, since it is larger than the sum of its proper divisors (3277).

2663723 is a wasteful number, since it uses less digits than its factorization.

2663723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276.

The product of its digits is 9072, while the sum is 29.

The square root of 2663723 is about 1632.0916028214. The cubic root of 2663723 is about 138.6212104715.

The spelling of 2663723 in words is "two million, six hundred sixty-three thousand, seven hundred twenty-three".