16223443 has 2 divisors, whose sum is σ = 16223444. Its totient is φ = 16223442.

The previous prime is 16223411. The next prime is 16223453. The reversal of 16223443 is 34432261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16223443 - 2⁵ = 16223411 is a prime.

It is not a weakly prime, because it can be changed into another prime (16223453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8111721 + 8111722.

It is an arithmetic number, because the mean of its divisors is an integer number (8111722).

Almost surely, 2^16223443 is an apocalyptic number.

16223443 is a deficient number, since it is larger than the sum of its proper divisors (1).

16223443 is an equidigital number, since it uses as much as digits as its factorization.

16223443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 16223443 is about 4027.8335367788. The cubic root of 16223443 is about 253.1517938004.

The spelling of 16223443 in words is "sixteen million, two hundred twenty-three thousand, four hundred forty-three".