2723823 has 6 divisors (see below), whose sum is σ = 3934424. Its totient is φ = 1815876.

The previous prime is 2723813. The next prime is 2723827. The reversal of 2723823 is 3283272.

It is not a de Polignac number, because 2723823 - 2⁶ = 2723759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151315 + ... + 151332.

2^2723823 is an apocalyptic number.

2723823 is a deficient number, since it is larger than the sum of its proper divisors (1210601).

2723823 is a wasteful number, since it uses less digits than its factorization.

2723823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302653 (or 302650 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 2723823 is about 1650.4008603973. The cubic root of 2723823 is about 139.6560092219.

It can be divided in two parts, 27238 and 23, that added together give a triangular number (27261 = T₂₃₃).

The spelling of 2723823 in words is "two million, seven hundred twenty-three thousand, eight hundred twenty-three".