16013223 has 6 divisors (see below), whose sum is σ = 23130224. Its totient is φ = 10675476.

The previous prime is 16013213. The next prime is 16013227. The reversal of 16013223 is 32231061.

It is not a de Polignac number, because 16013223 - 2⁶ = 16013159 is a prime.

It is a super-4 number, since 4×16013223⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16013196 and 16013205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16013227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 889615 + ... + 889632.

Almost surely, 2^16013223 is an apocalyptic number.

16013223 is a deficient number, since it is larger than the sum of its proper divisors (7117001).

16013223 is a wasteful number, since it uses less digits than its factorization.

16013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779253 (or 1779250 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 16013223 is about 4001.6525336416. The cubic root of 16013223 is about 252.0536072652.

Adding to 16013223 its reverse (32231061), we get a palindrome (48244284).

The spelling of 16013223 in words is "sixteen million, thirteen thousand, two hundred twenty-three".