1423229 has 4 divisors (see below), whose sum is σ = 1431360. Its totient is φ = 1415100.

The previous prime is 1423193. The next prime is 1423231. The reversal of 1423229 is 9223241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1423229 - 2⁸ = 1422973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423259) 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, 3797 + ... + 4154.

It is an arithmetic number, because the mean of its divisors is an integer number (357840).

2^1423229 is an apocalyptic number.

It is an amenable number.

1423229 is a deficient number, since it is larger than the sum of its proper divisors (8131).

1423229 is an equidigital number, since it uses as much as digits as its factorization.

1423229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130.

The product of its digits is 864, while the sum is 23.

The square root of 1423229 is about 1192.9916177409. The cubic root of 1423229 is about 112.4842183624.

The spelling of 1423229 in words is "one million, four hundred twenty-three thousand, two hundred twenty-nine".