4394023 has 2 divisors, whose sum is σ = 4394024. Its totient is φ = 4394022.

The previous prime is 4394021. The next prime is 4394029. The reversal of 4394023 is 3204934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4394023 - 2¹ = 4394021 is a prime.

Together with 4394021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4394021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197011 + 2197012.

It is an arithmetic number, because the mean of its divisors is an integer number (2197012).

Almost surely, 2^4394023 is an apocalyptic number.

4394023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394023 is an equidigital number, since it uses as much as digits as its factorization.

4394023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 4394023 is about 2096.1925007022. The cubic root of 4394023 is about 163.7900222667.

Adding to 4394023 its reverse (3204934), we get a palindrome (7598957).

The spelling of 4394023 in words is "four million, three hundred ninety-four thousand, twenty-three".