4220323 has 2 divisors, whose sum is σ = 4220324. Its totient is φ = 4220322.

The previous prime is 4220297. The next prime is 4220327. The reversal of 4220323 is 3230224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4220323 is a prime.

It is a super-2 number, since 2×4220323² = 35622252448658, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4220297 and 4220306.

It is not a weakly prime, because it can be changed into another prime (4220327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110161 + 2110162.

It is an arithmetic number, because the mean of its divisors is an integer number (2110162).

Almost surely, 2^4220323 is an apocalyptic number.

4220323 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220323 is an equidigital number, since it uses as much as digits as its factorization.

4220323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 4220323 is about 2054.3424738831. The cubic root of 4220323 is about 161.6026817800.

Adding to 4220323 its reverse (3230224), we get a palindrome (7450547).

Subtracting from 4220323 its reverse (3230224), we obtain a palindrome (990099).

The spelling of 4220323 in words is "four million, two hundred twenty thousand, three hundred twenty-three".