423445626 has 12 divisors (see below), whose sum is σ = 917465562. Its totient is φ = 141148536.

The previous prime is 423445619. The next prime is 423445637. The reversal of 423445626 is 626544324.

423445626 is a `hidden beast` number, since 4 + 23 + 4 + 4 + 5 + 626 = 666.

It can be written as a sum of positive squares in only one way, i.e., 401962401 + 21483225 = 20049^2 + 4635^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11762361 + ... + 11762396.

Almost surely, 2^423445626 is an apocalyptic number.

423445626 is an abundant number, since it is smaller than the sum of its proper divisors (494019936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423445626 is a wasteful number, since it uses less digits than its factorization.

423445626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23524765 (or 23524762 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 423445626 is about 20577.7944882342. The cubic root of 423445626 is about 750.9295886772.

The spelling of 423445626 in words is "four hundred twenty-three million, four hundred forty-five thousand, six hundred twenty-six".