3223723 has 4 divisors (see below), whose sum is σ = 3227968. Its totient is φ = 3219480.

The previous prime is 3223709. The next prime is 3223729. The reversal of 3223723 is 3273223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3273223 = 911 ⋅3593.

It is a cyclic number.

It is not a de Polignac number, because 3223723 - 2⁹ = 3223211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3223694 and 3223703.

It is not an unprimeable number, because it can be changed into a prime (3223729) 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, 636 + ... + 2617.

It is an arithmetic number, because the mean of its divisors is an integer number (806992).

Almost surely, 2^3223723 is an apocalyptic number.

3223723 is a deficient number, since it is larger than the sum of its proper divisors (4245).

3223723 is an equidigital number, since it uses as much as digits as its factorization.

3223723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244.

The product of its digits is 1512, while the sum is 22.

The square root of 3223723 is about 1795.4729182029. The cubic root of 3223723 is about 147.7245149265.

Adding to 3223723 its reverse (3273223), we get a palindrome (6496946).

The spelling of 3223723 in words is "three million, two hundred twenty-three thousand, seven hundred twenty-three".