16419223 has 2 divisors, whose sum is σ = 16419224. Its totient is φ = 16419222.

The previous prime is 16419209. The next prime is 16419269. The reversal of 16419223 is 32291461.

It is a weak prime.

It is an emirp because it is prime and its reverse (32291461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16419223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16419191 and 16419200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16419283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8209611 + 8209612.

It is an arithmetic number, because the mean of its divisors is an integer number (8209612).

Almost surely, 2^16419223 is an apocalyptic number.

16419223 is a deficient number, since it is larger than the sum of its proper divisors (1).

16419223 is an equidigital number, since it uses as much as digits as its factorization.

16419223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 16419223 is about 4052.0640419421. The cubic root of 16419223 is about 254.1660465929.

The spelling of 16419223 in words is "sixteen million, four hundred nineteen thousand, two hundred twenty-three".