423293 has 4 divisors (see below), whose sum is σ = 455868. Its totient is φ = 390720.

The previous prime is 423289. The next prime is 423299. The reversal of 423293 is 392324.

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 190969 + 232324 = 437^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 423293 - 2² = 423289 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16268 + ... + 16293.

It is an arithmetic number, because the mean of its divisors is an integer number (113967).

2⁴²³²⁹³ is an apocalyptic number.

It is an amenable number.

423293 is a deficient number, since it is larger than the sum of its proper divisors (32575).

423293 is a wasteful number, since it uses less digits than its factorization.

423293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32574.

The product of its digits is 1296, while the sum is 23.

The square root of 423293 is about 650.6097140375. The cubic root of 423293 is about 75.0839356587.

The spelling of 423293 in words is "four hundred twenty-three thousand, two hundred ninety-three".