1423393 has 8 divisors (see below), whose sum is σ = 1523880. Its totient is φ = 1324800.

The previous prime is 1423391. The next prime is 1423399. The reversal of 1423393 is 3933241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 833569 + 589824 = 913^2 + 768^2 .

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 1423393 - 2¹ = 1423391 is a prime.

1423393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1423391) 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, 1303 + ... + 2131.

It is an arithmetic number, because the mean of its divisors is an integer number (190485).

2^1423393 is an apocalyptic number.

It is an amenable number.

1423393 is a deficient number, since it is larger than the sum of its proper divisors (100487).

1423393 is a wasteful number, since it uses less digits than its factorization.

1423393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947.

The product of its digits is 1944, while the sum is 25.

The square root of 1423393 is about 1193.0603505272. The cubic root of 1423393 is about 112.4885387501.

The spelling of 1423393 in words is "one million, four hundred twenty-three thousand, three hundred ninety-three".