4447423 has 2 divisors, whose sum is σ = 4447424. Its totient is φ = 4447422.

The previous prime is 4447321. The next prime is 4447427. The reversal of 4447423 is 3247444.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4447423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4447391 and 4447400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4447427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2223711 + 2223712.

It is an arithmetic number, because the mean of its divisors is an integer number (2223712).

Almost surely, 2^4447423 is an apocalyptic number.

4447423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4447423 is an equidigital number, since it uses as much as digits as its factorization.

4447423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 28.

The square root of 4447423 is about 2108.8914149382. The cubic root of 4447423 is about 164.4508588352.

The spelling of 4447423 in words is "four million, four hundred forty-seven thousand, four hundred twenty-three".