33423 has 8 divisors (see below), whose sum is σ = 48048. Its totient is φ = 20544.

The previous prime is 33413. The next prime is 33427. The reversal of 33423 is 32433.

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

It is not a de Polignac number, because 33423 - 2⁵ = 33391 is a prime.

It is a super-2 number, since 2×33423² = 2234193858, which contains 22 as substring.

33423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390 + ... + 467.

It is an arithmetic number, because the mean of its divisors is an integer number (6006).

2³³⁴²³ is an apocalyptic number.

33423 is a deficient number, since it is larger than the sum of its proper divisors (14625).

33423 is a wasteful number, since it uses less digits than its factorization.

33423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873.

The product of its digits is 216, while the sum is 15.

The square root of 33423 is about 182.8195831961. The cubic root of 33423 is about 32.2118110549.

Adding to 33423 its reverse (32433), we get a palindrome (65856).

Subtracting from 33423 its reverse (32433), we obtain a triangular number (990 = T₄₄).

The spelling of 33423 in words is "thirty-three thousand, four hundred twenty-three".