320223413 has 2 divisors, whose sum is σ = 320223414. Its totient is φ = 320223412.

The previous prime is 320223401. The next prime is 320223469. The reversal of 320223413 is 314322023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312511684 + 7711729 = 17678^2 + 2777^2 .

It is a cyclic number.

It is not a de Polignac number, because 320223413 - 2⁶ = 320223349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320223913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160111706 + 160111707.

It is an arithmetic number, because the mean of its divisors is an integer number (160111707).

Almost surely, 2^320223413 is an apocalyptic number.

It is an amenable number.

320223413 is a deficient number, since it is larger than the sum of its proper divisors (1).

320223413 is an equidigital number, since it uses as much as digits as its factorization.

320223413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 320223413 is about 17894.7873136285. The cubic root of 320223413 is about 684.1495211639.

Adding to 320223413 its reverse (314322023), we get a palindrome (634545436).

The spelling of 320223413 in words is "three hundred twenty million, two hundred twenty-three thousand, four hundred thirteen".