423834 has 8 divisors (see below), whose sum is σ = 847680. Its totient is φ = 141276.

The previous prime is 423823. The next prime is 423847. The reversal of 423834 is 438324.

It is a sphenic number, since it is the product of 3 distinct primes.

423834 is an admirable number.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35314 + ... + 35325.

It is an arithmetic number, because the mean of its divisors is an integer number (105960).

2⁴²³⁸³⁴ is an apocalyptic number.

423834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

423834 is a wasteful number, since it uses less digits than its factorization.

423834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70644.

The product of its digits is 2304, while the sum is 24.

The square root of 423834 is about 651.0253451287. The cubic root of 423834 is about 75.1159096626.

It can be divided in two parts, 42 and 3834, that multiplied together give a triangular number (161028 = T₅₆₇).

The spelling of 423834 in words is "four hundred twenty-three thousand, eight hundred thirty-four".