2831723 has 4 divisors (see below), whose sum is σ = 2836680. Its totient is φ = 2826768.

The previous prime is 2831701. The next prime is 2831729. The reversal of 2831723 is 3271382.

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 2831723 - 2⁶ = 2831659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2831692 and 2831701.

It is not an unprimeable number, because it can be changed into a prime (2831729) 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, 1490 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (709170).

2^2831723 is an apocalyptic number.

2831723 is a deficient number, since it is larger than the sum of its proper divisors (4957).

2831723 is an equidigital number, since it uses as much as digits as its factorization.

2831723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956.

The product of its digits is 2016, while the sum is 26.

The square root of 2831723 is about 1682.7724147965. The cubic root of 2831723 is about 141.4762661688.

The spelling of 2831723 in words is "two million, eight hundred thirty-one thousand, seven hundred twenty-three".