423919602 has 128 divisors (see below), whose sum is σ = 1036800000. Its totient is φ = 127935936.

The previous prime is 423919597. The next prime is 423919603. The reversal of 423919602 is 206919324.

423919602 is a `hidden beast` number, since 4 + 2 + 39 + 19 + 602 = 666.

It is not an unprimeable number, because it can be changed into a prime (423919603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2845024 + ... + 2845172.

It is an arithmetic number, because the mean of its divisors is an integer number (8100000).

Almost surely, 2^423919602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423919602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518400000).

423919602 is an abundant number, since it is smaller than the sum of its proper divisors (612880398).

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

423919602 is a wasteful number, since it uses less digits than its factorization.

423919602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 423919602 is about 20589.3079534014. The cubic root of 423919602 is about 751.2096639021.

The spelling of 423919602 in words is "four hundred twenty-three million, nine hundred nineteen thousand, six hundred two".