1427223 has 32 divisors (see below), whose sum is σ = 2368000. Its totient is φ = 762048.

The previous prime is 1427221. The next prime is 1427227. The reversal of 1427223 is 3227241.

It is not a de Polignac number, because 1427223 - 2¹ = 1427221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1427223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19515 + ... + 19587.

It is an arithmetic number, because the mean of its divisors is an integer number (74000).

2^1427223 is an apocalyptic number.

1427223 is a deficient number, since it is larger than the sum of its proper divisors (940777).

1427223 is an equidigital number, since it uses as much as digits as its factorization.

1427223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 102 counting only the distinct ones).

The product of its digits is 672, while the sum is 21.

The square root of 1427223 is about 1194.6643880187. The cubic root of 1427223 is about 112.5893413768.

The spelling of 1427223 in words is "one million, four hundred twenty-seven thousand, two hundred twenty-three".