423445602 has 16 divisors (see below), whose sum is σ = 847863072. Its totient is φ = 140986560.

The previous prime is 423445597. The next prime is 423445613. The reversal of 423445602 is 206544324.

It is a self number, because there is not a number n which added to its sum of digits gives 423445602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34768 + ... + 45339.

It is an arithmetic number, because the mean of its divisors is an integer number (52991442).

Almost surely, 2^423445602 is an apocalyptic number.

423445602 is an abundant number, since it is smaller than the sum of its proper divisors (424417470).

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

423445602 is a wasteful number, since it uses less digits than its factorization.

423445602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80993.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 423445602 is about 20577.7939050813. The cubic root of 423445602 is about 750.9295744901.

Adding to 423445602 its reverse (206544324), we get a palindrome (629989926).

The spelling of 423445602 in words is "four hundred twenty-three million, four hundred forty-five thousand, six hundred two".