3204723 has 4 divisors (see below), whose sum is σ = 4272968. Its totient is φ = 2136480.

The previous prime is 3204701. The next prime is 3204739. The reversal of 3204723 is 3274023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3204723 - 2¹⁶ = 3139187 is a prime.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3204723.

It is not an unprimeable number, because it can be changed into a prime (3202723) 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, 534118 + ... + 534123.

It is an arithmetic number, because the mean of its divisors is an integer number (1068242).

Almost surely, 2^3204723 is an apocalyptic number.

3204723 is a deficient number, since it is larger than the sum of its proper divisors (1068245).

3204723 is a wasteful number, since it uses less digits than its factorization.

3204723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068244.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 3204723 is about 1790.1740138880. The cubic root of 3204723 is about 147.4337229769.

Adding to 3204723 its reverse (3274023), we get a palindrome (6478746).

The spelling of 3204723 in words is "three million, two hundred four thousand, seven hundred twenty-three".