16243223 has 2 divisors, whose sum is σ = 16243224. Its totient is φ = 16243222.

The previous prime is 16243193. The next prime is 16243229. The reversal of 16243223 is 32234261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16243223 - 2²² = 12048919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16243229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8121611 + 8121612.

It is an arithmetic number, because the mean of its divisors is an integer number (8121612).

Almost surely, 2^16243223 is an apocalyptic number.

16243223 is a deficient number, since it is larger than the sum of its proper divisors (1).

16243223 is an equidigital number, since it uses as much as digits as its factorization.

16243223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 16243223 is about 4030.2882030942. The cubic root of 16243223 is about 253.2546348730.

Adding to 16243223 its reverse (32234261), we get a palindrome (48477484).

The spelling of 16243223 in words is "sixteen million, two hundred forty-three thousand, two hundred twenty-three".