426018223 has 2 divisors, whose sum is σ = 426018224. Its totient is φ = 426018222.

The previous prime is 426018221. The next prime is 426018251. The reversal of 426018223 is 322810624.

It is an a-pointer prime, because the next prime (426018251) can be obtained adding 426018223 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426018223 - 2¹ = 426018221 is a prime.

Together with 426018221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 426018191 and 426018200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426018221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213009111 + 213009112.

It is an arithmetic number, because the mean of its divisors is an integer number (213009112).

Almost surely, 2^426018223 is an apocalyptic number.

426018223 is a deficient number, since it is larger than the sum of its proper divisors (1).

426018223 is an equidigital number, since it uses as much as digits as its factorization.

426018223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 426018223 is about 20640.2088894468. The cubic root of 426018223 is about 752.4472492023.

Adding to 426018223 its reverse (322810624), we get a palindrome (748828847).

The spelling of 426018223 in words is "four hundred twenty-six million, eighteen thousand, two hundred twenty-three".