16463223 has 16 divisors (see below), whose sum is σ = 27874560. Its totient is φ = 9407448.

The previous prime is 16463221. The next prime is 16463243. The reversal of 16463223 is 32236461.

16463223 is a `hidden beast` number, since 1 + 6 + 4 + 632 + 23 = 666.

It is not a de Polignac number, because 16463223 - 2¹ = 16463221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16463221) 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 15 ways as a sum of consecutive naturals, for example, 43365 + ... + 43742.

It is an arithmetic number, because the mean of its divisors is an integer number (1742160).

Almost surely, 2^16463223 is an apocalyptic number.

16463223 is a deficient number, since it is larger than the sum of its proper divisors (11411337).

16463223 is an equidigital number, since it uses as much as digits as its factorization.

16463223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87123 (or 87117 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 16463223 is about 4057.4897412070. The cubic root of 16463223 is about 254.3928809418.

Adding to 16463223 its reverse (32236461), we get a palindrome (48699684).

The spelling of 16463223 in words is "sixteen million, four hundred sixty-three thousand, two hundred twenty-three".