13843223 has 2 divisors, whose sum is σ = 13843224. Its totient is φ = 13843222.

The previous prime is 13843213. The next prime is 13843231. The reversal of 13843223 is 32234831.

It is a strong prime.

It is an emirp because it is prime and its reverse (32234831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13843223 - 2¹² = 13839127 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 13843192 and 13843201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13843213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6921611 + 6921612.

It is an arithmetic number, because the mean of its divisors is an integer number (6921612).

Almost surely, 2^13843223 is an apocalyptic number.

13843223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13843223 is an equidigital number, since it uses as much as digits as its factorization.

13843223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 13843223 is about 3720.6481962153. The cubic root of 13843223 is about 240.1111926891. Note that the first 4 decimals are identical.

The spelling of 13843223 in words is "thirteen million, eight hundred forty-three thousand, two hundred twenty-three".