423288 has 24 divisors (see below), whose sum is σ = 1146600. Its totient is φ = 141072.

The previous prime is 423287. The next prime is 423289. The reversal of 423288 is 882324.

It is an interprime number because it is at equal distance from previous prime (423287) and next prime (423289).

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2868 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (47775).

2⁴²³²⁸⁸ is an apocalyptic number.

It is an amenable number.

423288 is an abundant number, since it is smaller than the sum of its proper divisors (723312).

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

423288 is a wasteful number, since it uses less digits than its factorization.

423288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891 (or 5884 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 423288 is about 650.6058714767. The cubic root of 423288 is about 75.0836400233.

The spelling of 423288 in words is "four hundred twenty-three thousand, two hundred eighty-eight".