4213423 has 2 divisors, whose sum is σ = 4213424. Its totient is φ = 4213422.

The previous prime is 4213411. The next prime is 4213457. The reversal of 4213423 is 3243124.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4213423 is a prime.

It is a d-powerful number, because it can be written as 4⁷ + 2⁵ + 1 + 3 + 4¹¹ + 2⁹ + 3⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 4213423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4213463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106711 + 2106712.

It is an arithmetic number, because the mean of its divisors is an integer number (2106712).

Almost surely, 2^4213423 is an apocalyptic number.

4213423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4213423 is an equidigital number, since it uses as much as digits as its factorization.

4213423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 19.

The square root of 4213423 is about 2052.6624174472. The cubic root of 4213423 is about 161.5145631894.

Adding to 4213423 its reverse (3243124), we get a palindrome (7456547).

Subtracting from 4213423 its reverse (3243124), we obtain a cube (970299 = 99³).

It can be divided in two parts, 421 and 3423, that added together give a square (3844 = 62²).

The spelling of 4213423 in words is "four million, two hundred thirteen thousand, four hundred twenty-three".