3201021223 has 4 divisors (see below), whose sum is σ = 3255275880. Its totient is φ = 3146766568.

The previous prime is 3201021163. The next prime is 3201021227. The reversal of 3201021223 is 3221201023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3201021223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3201021197 and 3201021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201021227) 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, 27127240 + ... + 27127357.

It is an arithmetic number, because the mean of its divisors is an integer number (813818970).

Almost surely, 2^3201021223 is an apocalyptic number.

3201021223 is a deficient number, since it is larger than the sum of its proper divisors (54254657).

3201021223 is an equidigital number, since it uses as much as digits as its factorization.

3201021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54254656.

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

The square root of 3201021223 is about 56577.5681962383. The cubic root of 3201021223 is about 1473.7693418543.

Adding to 3201021223 its reverse (3221201023), we get a palindrome (6422222246).

It can be divided in two parts, 32010 and 21223, that multiplied together give a triangular number (679348230 = T₃₆₈₆₀).

The spelling of 3201021223 in words is "three billion, two hundred one million, twenty-one thousand, two hundred twenty-three".