3409723 has 4 divisors (see below), whose sum is σ = 3450888. Its totient is φ = 3368560.

The previous prime is 3409711. The next prime is 3409729. The reversal of 3409723 is 3279043.

3409723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3409723 - 2¹⁷ = 3278651 is a prime.

It is an Ulam number.

It is a Duffinian number.

3409723 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3409691 and 3409700.

It is not an unprimeable number, because it can be changed into a prime (3409729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20458 + ... + 20623.

It is an arithmetic number, because the mean of its divisors is an integer number (862722).

Almost surely, 2^3409723 is an apocalyptic number.

3409723 is a deficient number, since it is larger than the sum of its proper divisors (41165).

3409723 is an equidigital number, since it uses as much as digits as its factorization.

3409723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41164.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 3409723 is about 1846.5435277837. The cubic root of 3409723 is about 150.5126606789.

The spelling of 3409723 in words is "three million, four hundred nine thousand, seven hundred twenty-three".