423693 has 12 divisors (see below), whose sum is σ = 617760. Its totient is φ = 279816.

The previous prime is 423667. The next prime is 423697. The reversal of 423693 is 396324.

It is not a de Polignac number, because 423693 - 2¹² = 419597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423697) 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 11 ways as a sum of consecutive naturals, for example, 1480 + ... + 1742.

It is an arithmetic number, because the mean of its divisors is an integer number (51480).

2⁴²³⁶⁹³ is an apocalyptic number.

It is an amenable number.

423693 is a deficient number, since it is larger than the sum of its proper divisors (194067).

423693 is a wasteful number, since it uses less digits than its factorization.

423693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 445 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 423693 is about 650.9170454059. The cubic root of 423693 is about 75.1075789498.

The spelling of 423693 in words is "four hundred twenty-three thousand, six hundred ninety-three".