16456223 has 8 divisors (see below), whose sum is σ = 19797120. Its totient is φ = 13362840.

The previous prime is 16456183. The next prime is 16456241. The reversal of 16456223 is 32265461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16456223 - 2⁶ = 16456159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16456273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61733 + ... + 61998.

It is an arithmetic number, because the mean of its divisors is an integer number (2474640).

Almost surely, 2^16456223 is an apocalyptic number.

16456223 is a deficient number, since it is larger than the sum of its proper divisors (3340897).

16456223 is a wasteful number, since it uses less digits than its factorization.

16456223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123757.

The product of its digits is 8640, while the sum is 29.

The square root of 16456223 is about 4056.6270471908. The cubic root of 16456223 is about 254.3568207160.

The spelling of 16456223 in words is "sixteen million, four hundred fifty-six thousand, two hundred twenty-three".