423258 has 32 divisors (see below), whose sum is σ = 948672. Its totient is φ = 125840.

The previous prime is 423257. The next prime is 423259. The reversal of 423258 is 852324.

It is an interprime number because it is at equal distance from previous prime (423257) and next prime (423259).

It is not an unprimeable number, because it can be changed into a prime (423251) 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 15 ways as a sum of consecutive naturals, for example, 7960 + ... + 8012.

It is an arithmetic number, because the mean of its divisors is an integer number (29646).

2⁴²³²⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474336).

423258 is an abundant number, since it is smaller than the sum of its proper divisors (525414).

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

423258 is a wasteful number, since it uses less digits than its factorization.

423258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 69 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 423258 is about 650.5828156353. The cubic root of 423258 is about 75.0818661621.

The spelling of 423258 in words is "four hundred twenty-three thousand, two hundred fifty-eight".