423445113 has 72 divisors (see below), whose sum is σ = 771950088. Its totient is φ = 221695488.

The previous prime is 423445097. The next prime is 423445147. The reversal of 423445113 is 311544324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22924944 + 400520169 = 4788^2 + 20013^2 .

It is not a de Polignac number, because 423445113 - 2⁴ = 423445097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423445313) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1335631 + ... + 1335947.

It is an arithmetic number, because the mean of its divisors is an integer number (10721529).

Almost surely, 2^423445113 is an apocalyptic number.

It is an amenable number.

423445113 is a deficient number, since it is larger than the sum of its proper divisors (348504975).

423445113 is a wasteful number, since it uses less digits than its factorization.

423445113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 573 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 423445113 is about 20577.7820233377. The cubic root of 423445113 is about 750.9292854292.

Adding to 423445113 its reverse (311544324), we get a palindrome (734989437).

The spelling of 423445113 in words is "four hundred twenty-three million, four hundred forty-five thousand, one hundred thirteen".