4190023 has 2 divisors, whose sum is σ = 4190024. Its totient is φ = 4190022.

The previous prime is 4190009. The next prime is 4190027. The reversal of 4190023 is 3200914.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4190023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4190027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2095011 + 2095012.

It is an arithmetic number, because the mean of its divisors is an integer number (2095012).

Almost surely, 2^4190023 is an apocalyptic number.

4190023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4190023 is an equidigital number, since it uses as much as digits as its factorization.

4190023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 4190023 is about 2046.9545671558. The cubic root of 4190023 is about 161.2150079310.

Adding to 4190023 its reverse (3200914), we get a palindrome (7390937).

The spelling of 4190023 in words is "four million, one hundred ninety thousand, twenty-three".