423193 has 4 divisors (see below), whose sum is σ = 426420. Its totient is φ = 419968.

The previous prime is 423191. The next prime is 423209. The reversal of 423193 is 391324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 328329 + 94864 = 573^2 + 308^2 .

It is a cyclic number.

It is not a de Polignac number, because 423193 - 2¹ = 423191 is a prime.

It is an Ulam number.

It is a Duffinian number.

423193 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (423191) 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, 1408 + ... + 1681.

It is an arithmetic number, because the mean of its divisors is an integer number (106605).

2⁴²³¹⁹³ is an apocalyptic number.

It is an amenable number.

423193 is a deficient number, since it is larger than the sum of its proper divisors (3227).

423193 is a wasteful number, since it uses less digits than its factorization.

423193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226.

The product of its digits is 648, while the sum is 22.

The square root of 423193 is about 650.5328585091. The cubic root of 423193 is about 75.0780225087.

It can be divided in two parts, 423 and 193, that added together give a palindrome (616).

The spelling of 423193 in words is "four hundred twenty-three thousand, one hundred ninety-three".