16257223 has 2 divisors, whose sum is σ = 16257224. Its totient is φ = 16257222.

The previous prime is 16257221. The next prime is 16257229. The reversal of 16257223 is 32275261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16257223 - 2¹ = 16257221 is a prime.

Together with 16257221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16257191 and 16257200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16257221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8128611 + 8128612.

It is an arithmetic number, because the mean of its divisors is an integer number (8128612).

Almost surely, 2^16257223 is an apocalyptic number.

16257223 is a deficient number, since it is larger than the sum of its proper divisors (1).

16257223 is an equidigital number, since it uses as much as digits as its factorization.

16257223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 16257223 is about 4032.0246775038. The cubic root of 16257223 is about 253.3273738595.

The spelling of 16257223 in words is "sixteen million, two hundred fifty-seven thousand, two hundred twenty-three".