1693423 has 8 divisors (see below), whose sum is σ = 1755936. Its totient is φ = 1632000.

The previous prime is 1693411. The next prime is 1693427. The reversal of 1693423 is 3243961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1693423 - 2¹³ = 1685231 is a prime.

It is a Duffinian number.

1693423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1693391 and 1693400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1693427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4023 + ... + 4423.

It is an arithmetic number, because the mean of its divisors is an integer number (219492).

2^1693423 is an apocalyptic number.

1693423 is a deficient number, since it is larger than the sum of its proper divisors (62513).

1693423 is a wasteful number, since it uses less digits than its factorization.

1693423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its digits is 3888, while the sum is 28.

The square root of 1693423 is about 1301.3158724921. The cubic root of 1693423 is about 119.1942077497.

It can be divided in two parts, 1693 and 423, that added together give a square (2116 = 46²).

The spelling of 1693423 in words is "one million, six hundred ninety-three thousand, four hundred twenty-three".