423340072 has 16 divisors (see below), whose sum is σ = 793983060. Its totient is φ = 211611264.

The previous prime is 423340039. The next prime is 423340081. The reversal of 423340072 is 270043324.

It can be written as a sum of positive squares in 2 ways, for example, as 409900516 + 13439556 = 20246^2 + 3666^2 .

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 3 ways as a sum of consecutive naturals, for example, 46348 + ... + 54724.

Almost surely, 2^423340072 is an apocalyptic number.

It is an amenable number.

423340072 is a deficient number, since it is larger than the sum of its proper divisors (370642988).

423340072 is a wasteful number, since it uses less digits than its factorization.

423340072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14700 (or 14696 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 423340072 is about 20575.2295734458. The cubic root of 423340072 is about 750.8671877423.

Adding to 423340072 its reverse (270043324), we get a palindrome (693383396).

The spelling of 423340072 in words is "four hundred twenty-three million, three hundred forty thousand, seventy-two".