423320202 has 16 divisors (see below), whose sum is σ = 940711680. Its totient is φ = 141106716.

The previous prime is 423320201. The next prime is 423320207. The reversal of 423320202 is 202023324.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (423320201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3919578 + ... + 3919685.

It is an arithmetic number, because the mean of its divisors is an integer number (58794480).

Almost surely, 2^423320202 is an apocalyptic number.

423320202 is an abundant number, since it is smaller than the sum of its proper divisors (517391478).

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

423320202 is a wasteful number, since it uses less digits than its factorization.

423320202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839274 (or 7839268 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 423320202 is about 20574.7467056098. The cubic root of 423320202 is about 750.8554399258.

Adding to 423320202 its reverse (202023324), we get a palindrome (625343526).

The spelling of 423320202 in words is "four hundred twenty-three million, three hundred twenty thousand, two hundred two".