426105223 has 4 divisors (see below), whose sum is σ = 431499040. Its totient is φ = 420711408.

The previous prime is 426105217. The next prime is 426105233. The reversal of 426105223 is 322501624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426105223 - 2¹³ = 426097031 is a prime.

It is a super-2 number, since 2×426105223² = 363131322135759458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426105233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2696790 + ... + 2696947.

It is an arithmetic number, because the mean of its divisors is an integer number (107874760).

Almost surely, 2^426105223 is an apocalyptic number.

426105223 is a deficient number, since it is larger than the sum of its proper divisors (5393817).

426105223 is an equidigital number, since it uses as much as digits as its factorization.

426105223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5393816.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 426105223 is about 20642.3163186693. The cubic root of 426105223 is about 752.4984664597.

Adding to 426105223 its reverse (322501624), we get a palindrome (748606847).

The spelling of 426105223 in words is "four hundred twenty-six million, one hundred five thousand, two hundred twenty-three".