3213243223 has 4 divisors (see below), whose sum is σ = 3213868840. Its totient is φ = 3212617608.

The previous prime is 3213243161. The next prime is 3213243329. The reversal of 3213243223 is 3223423123.

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 3213243223 - 2¹³ = 3213235031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213273223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305040 + ... + 315397.

It is an arithmetic number, because the mean of its divisors is an integer number (803467210).

Almost surely, 2^3213243223 is an apocalyptic number.

3213243223 is a deficient number, since it is larger than the sum of its proper divisors (625617).

3213243223 is an equidigital number, since it uses as much as digits as its factorization.

3213243223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625616.

The product of its digits is 5184, while the sum is 25.

The square root of 3213243223 is about 56685.4762968434. The cubic root of 3213243223 is about 1475.6426536732.

Adding to 3213243223 its reverse (3223423123), we get a palindrome (6436666346).

The spelling of 3213243223 in words is "three billion, two hundred thirteen million, two hundred forty-three thousand, two hundred twenty-three".