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13423320223 = 35747375509
BaseRepresentation
bin11001000000001011…
…11001110010011111
31021122111100022122021
430200011321302133
5204442332221343
610055552201011
7653433224245
oct144005716237
937574308567
1013423320223
115769129185
122727539167
13135bcb9a41
14914a80795
155386c00ed
hex320179c9f

13423320223 has 4 divisors (see below), whose sum is σ = 13423731480. Its totient is φ = 13422908968.

The previous prime is 13423320217. The next prime is 13423320233. The reversal of 13423320223 is 32202332431.

13423320223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32202332431 = 229140621539.

It is a cyclic number.

It is not a de Polignac number, because 13423320223 - 213 = 13423312031 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 (13423320233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152008 + ... + 223501.

It is an arithmetic number, because the mean of its divisors is an integer number (3355932870).

Almost surely, 213423320223 is an apocalyptic number.

13423320223 is a deficient number, since it is larger than the sum of its proper divisors (411257).

13423320223 is an equidigital number, since it uses as much as digits as its factorization.

13423320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411256.

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

Adding to 13423320223 its reverse (32202332431), we get a palindrome (45625652654).

The spelling of 13423320223 in words is "thirteen billion, four hundred twenty-three million, three hundred twenty thousand, two hundred twenty-three".

Divisors: 1 35747 375509 13423320223