7443223 has 2 divisors, whose sum is σ = 7443224. Its totient is φ = 7443222.

The previous prime is 7443221. The next prime is 7443239. The reversal of 7443223 is 3223447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7443223 - 2¹ = 7443221 is a prime.

Together with 7443221, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 7⁵ + 4 + 4¹⁰ + 3¹³ + 2⁵ + 2⁹ + 3¹⁴ .

7443223 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7443221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3721611 + 3721612.

It is an arithmetic number, because the mean of its divisors is an integer number (3721612).

Almost surely, 2^7443223 is an apocalyptic number.

7443223 is a deficient number, since it is larger than the sum of its proper divisors (1).

7443223 is an equidigital number, since it uses as much as digits as its factorization.

7443223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 25.

The square root of 7443223 is about 2728.2270799917. The cubic root of 7443223 is about 195.2481871623.

The spelling of 7443223 in words is "seven million, four hundred forty-three thousand, two hundred twenty-three".