1423223 has 4 divisors (see below), whose sum is σ = 1506960. Its totient is φ = 1339488.

The previous prime is 1423193. The next prime is 1423231. The reversal of 1423223 is 3223241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3223241 = 7 ⋅460463.

It is a cyclic number.

It is not a de Polignac number, because 1423223 - 2⁶ = 1423159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 83719 = 1423223 / (1 + 4 + 2 + 3 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41843 + ... + 41876.

It is an arithmetic number, because the mean of its divisors is an integer number (376740).

2^1423223 is an apocalyptic number.

1423223 is a deficient number, since it is larger than the sum of its proper divisors (83737).

1423223 is an equidigital number, since it uses as much as digits as its factorization.

1423223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83736.

The product of its digits is 288, while the sum is 17.

The square root of 1423223 is about 1192.9891030517. The cubic root of 1423223 is about 112.4840602931.

Adding to 1423223 its reverse (3223241), we get a palindrome (4646464).

The spelling of 1423223 in words is "one million, four hundred twenty-three thousand, two hundred twenty-three".