426523306 has 24 divisors (see below), whose sum is σ = 704357892. Its totient is φ = 193564800.

The previous prime is 426523301. The next prime is 426523351. The reversal of 426523306 is 603325624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 400360081 + 26163225 = 20009^2 + 5115^2 .

It is a super-2 number, since 2×426523306² = 363844261122339272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426523301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226786 + ... + 228658.

Almost surely, 2^426523306 is an apocalyptic number.

426523306 is a deficient number, since it is larger than the sum of its proper divisors (277834586).

426523306 is a wasteful number, since it uses less digits than its factorization.

426523306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 426523306 is about 20652.4406790093. The cubic root of 426523306 is about 752.7444964392.

The spelling of 426523306 in words is "four hundred twenty-six million, five hundred twenty-three thousand, three hundred six".