355423 has 4 divisors (see below), whose sum is σ = 358120. Its totient is φ = 352728.

The previous prime is 355417. The next prime is 355427. The reversal of 355423 is 324553.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 355423 - 2⁹ = 354911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355394 and 355403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140 + ... + 1417.

It is an arithmetic number, because the mean of its divisors is an integer number (89530).

2³⁵⁵⁴²³ is an apocalyptic number.

355423 is a deficient number, since it is larger than the sum of its proper divisors (2697).

355423 is a wasteful number, since it uses less digits than its factorization.

355423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696.

The product of its digits is 1800, while the sum is 22.

The square root of 355423 is about 596.1736324260. The cubic root of 355423 is about 70.8350996868.

Adding to 355423 its reverse (324553), we get a palindrome (679976).

The spelling of 355423 in words is "three hundred fifty-five thousand, four hundred twenty-three".