5821723 has 4 divisors (see below), whose sum is σ = 5834920. Its totient is φ = 5808528.

The previous prime is 5821693. The next prime is 5821729. The reversal of 5821723 is 3271285.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3271285 = 5 ⋅654257.

It is a cyclic number.

It is not a de Polignac number, because 5821723 - 2¹⁷ = 5690651 is a prime.

It is a super-4 number, since 4×5821723⁴ (a number of 28 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5821691 and 5821700.

It is not an unprimeable number, because it can be changed into a prime (5821729) 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, 5913 + ... + 6826.

It is an arithmetic number, because the mean of its divisors is an integer number (1458730).

Almost surely, 2^5821723 is an apocalyptic number.

5821723 is a deficient number, since it is larger than the sum of its proper divisors (13197).

5821723 is a wasteful number, since it uses less digits than its factorization.

5821723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13196.

The product of its digits is 3360, while the sum is 28.

The square root of 5821723 is about 2412.8246931760. The cubic root of 5821723 is about 179.8942073813.

The spelling of 5821723 in words is "five million, eight hundred twenty-one thousand, seven hundred twenty-three".