1423317 has 8 divisors (see below), whose sum is σ = 2168896. Its totient is φ = 813312.

The previous prime is 1423307. The next prime is 1423319. The reversal of 1423317 is 7133241.

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

It is not a de Polignac number, because 1423317 - 2⁸ = 1423061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 67777 = 1423317 / (1 + 4 + 2 + 3 + 3 + 1 + 7).

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1423293 and 1423302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423319) 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, 33868 + ... + 33909.

It is an arithmetic number, because the mean of its divisors is an integer number (271112).

2^1423317 is an apocalyptic number.

It is an amenable number.

1423317 is a deficient number, since it is larger than the sum of its proper divisors (745579).

1423317 is an equidigital number, since it uses as much as digits as its factorization.

1423317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67787.

The product of its digits is 504, while the sum is 21.

The square root of 1423317 is about 1193.0284992405. The cubic root of 1423317 is about 112.4865366605.

Adding to 1423317 its reverse (7133241), we get a palindrome (8556558).

The spelling of 1423317 in words is "one million, four hundred twenty-three thousand, three hundred seventeen".