3319723 has 4 divisors (see below), whose sum is σ = 3621528. Its totient is φ = 3017920.

The previous prime is 3319703. The next prime is 3319727. The reversal of 3319723 is 3279133.

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 3319723 - 2¹³ = 3311531 is a prime.

It is a super-2 number, since 2×3319723² = 22041121593458, which contains 22 as substring.

It is a Duffinian number.

3319723 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3319691 and 3319700.

It is not an unprimeable number, because it can be changed into a prime (3319727) 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, 150886 + ... + 150907.

It is an arithmetic number, because the mean of its divisors is an integer number (905382).

Almost surely, 2^3319723 is an apocalyptic number.

3319723 is a deficient number, since it is larger than the sum of its proper divisors (301805).

3319723 is a wasteful number, since it uses less digits than its factorization.

3319723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301804.

The product of its digits is 3402, while the sum is 28.

The square root of 3319723 is about 1822.0107024933. The cubic root of 3319723 is about 149.1765695009.

The spelling of 3319723 in words is "three million, three hundred nineteen thousand, seven hundred twenty-three".