3217423 has 4 divisors (see below), whose sum is σ = 3509928. Its totient is φ = 2924920.

The previous prime is 3217421. The next prime is 3217429. The reversal of 3217423 is 3247123.

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 3217423 - 2¹ = 3217421 is a prime.

It is a Duffinian number.

3217423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3217394 and 3217403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3217421) 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, 146236 + ... + 146257.

It is an arithmetic number, because the mean of its divisors is an integer number (877482).

Almost surely, 2^3217423 is an apocalyptic number.

3217423 is a deficient number, since it is larger than the sum of its proper divisors (292505).

3217423 is a wasteful number, since it uses less digits than its factorization.

3217423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292504.

The product of its digits is 1008, while the sum is 22.

The square root of 3217423 is about 1793.7176477919. The cubic root of 3217423 is about 147.6282213598.

It can be divided in two parts, 321 and 7423, that added together give a square (7744 = 88²).

The spelling of 3217423 in words is "three million, two hundred seventeen thousand, four hundred twenty-three".