354423 has 16 divisors (see below), whose sum is σ = 505856. Its totient is φ = 220320.

The previous prime is 354421. The next prime is 354439. The reversal of 354423 is 324453.

It is a happy number.

It is not a de Polignac number, because 354423 - 2¹ = 354421 is a prime.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3⁴ + 5³ + 4⁴ + 4⁹ + 2¹⁵ + 3¹⁰ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 354423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354421) 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, 3390 + ... + 3492.

It is an arithmetic number, because the mean of its divisors is an integer number (31616).

2³⁵⁴⁴²³ is an apocalyptic number.

354423 is a deficient number, since it is larger than the sum of its proper divisors (151433).

354423 is a wasteful number, since it uses less digits than its factorization.

354423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174.

The product of its digits is 1440, while the sum is 21.

The square root of 354423 is about 595.3343598349. The cubic root of 354423 is about 70.7686046125.

Adding to 354423 its reverse (324453), we get a palindrome (678876).

It can be divided in two parts, 354 and 423, that added together give a palindrome (777).

The spelling of 354423 in words is "three hundred fifty-four thousand, four hundred twenty-three".