3220456823 has 2 divisors, whose sum is σ = 3220456824. Its totient is φ = 3220456822.

The previous prime is 3220456817. The next prime is 3220456847. The reversal of 3220456823 is 3286540223.

It is a weak prime.

It is an emirp because it is prime and its reverse (3286540223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3220456823 - 2¹⁴ = 3220440439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220456853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610228411 + 1610228412.

It is an arithmetic number, because the mean of its divisors is an integer number (1610228412).

Almost surely, 2^3220456823 is an apocalyptic number.

3220456823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220456823 is an equidigital number, since it uses as much as digits as its factorization.

3220456823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 3220456823 is about 56749.0689174721. The cubic root of 3220456823 is about 1476.7460808953.

The spelling of 3220456823 in words is "three billion, two hundred twenty million, four hundred fifty-six thousand, eight hundred twenty-three".