423342720 has 128 divisors (see below), whose sum is σ = 1499400000. Its totient is φ = 112886784.

The previous prime is 423342719. The next prime is 423342737. The reversal of 423342720 is 27243324.

423342720 is a `hidden beast` number, since 4 + 233 + 427 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 5031 + ... + 29529.

Almost surely, 2^423342720 is an apocalyptic number.

423342720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423342720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749700000).

423342720 is an abundant number, since it is smaller than the sum of its proper divisors (1076057280).

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

423342720 is a wasteful number, since it uses less digits than its factorization.

423342720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24527 (or 24509 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 423342720 is about 20575.2939225665. The cubic root of 423342720 is about 750.8687533017.

It can be divided in two parts, 42334 and 2720, that added together give a palindrome (45054).

The spelling of 423342720 in words is "four hundred twenty-three million, three hundred forty-two thousand, seven hundred twenty".