4223831 has 2 divisors, whose sum is σ = 4223832. Its totient is φ = 4223830.

The previous prime is 4223801. The next prime is 4223839. The reversal of 4223831 is 1383224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4223831 - 2⁶ = 4223767 is a prime.

It is a super-2 number, since 2×4223831² = 35681496633122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4223797 and 4223806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4223839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111915 + 2111916.

It is an arithmetic number, because the mean of its divisors is an integer number (2111916).

Almost surely, 2^4223831 is an apocalyptic number.

4223831 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223831 is an equidigital number, since it uses as much as digits as its factorization.

4223831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 4223831 is about 2055.1960976997. The cubic root of 4223831 is about 161.6474449579.

The spelling of 4223831 in words is "four million, two hundred twenty-three thousand, eight hundred thirty-one".