3211423 has 4 divisors (see below), whose sum is σ = 3226048. Its totient is φ = 3196800.

The previous prime is 3211409. The next prime is 3211427. The reversal of 3211423 is 3241123.

It is a happy number.

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 3211423 - 2²¹ = 1114271 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3211397 and 3211406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211427) 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, 6978 + ... + 7423.

It is an arithmetic number, because the mean of its divisors is an integer number (806512).

Almost surely, 2^3211423 is an apocalyptic number.

3211423 is a deficient number, since it is larger than the sum of its proper divisors (14625).

3211423 is a wasteful number, since it uses less digits than its factorization.

3211423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14624.

The product of its digits is 144, while the sum is 16.

The square root of 3211423 is about 1792.0443632902. The cubic root of 3211423 is about 147.5363962659.

Adding to 3211423 its reverse (3241123), we get a palindrome (6452546).

The spelling of 3211423 in words is "three million, two hundred eleven thousand, four hundred twenty-three".