1442423 has 8 divisors (see below), whose sum is σ = 1537200. Its totient is φ = 1349568.

The previous prime is 1442411. The next prime is 1442429. The reversal of 1442423 is 3242441.

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 1442423 - 2¹⁸ = 1180279 is a prime.

It is a super-2 number, since 2×1442423² = 4161168221858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442395 and 1442404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442429) 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, 1265 + ... + 2117.

It is an arithmetic number, because the mean of its divisors is an integer number (192150).

2^1442423 is an apocalyptic number.

1442423 is a deficient number, since it is larger than the sum of its proper divisors (94777).

1442423 is an equidigital number, since it uses as much as digits as its factorization.

1442423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961.

The product of its digits is 768, while the sum is 20.

The square root of 1442423 is about 1201.0091589992. The cubic root of 1442423 is about 112.9876249272.

Adding to 1442423 its reverse (3242441), we get a palindrome (4684864).

The spelling of 1442423 in words is "one million, four hundred forty-two thousand, four hundred twenty-three".