1442343 has 8 divisors (see below), whose sum is σ = 2197888. Its totient is φ = 824184.

The previous prime is 1442341. The next prime is 1442351. The reversal of 1442343 is 3432441.

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

It is not a de Polignac number, because 1442343 - 2¹ = 1442341 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: 68683 = 1442343 / (1 + 4 + 4 + 2 + 3 + 4 + 3).

It is a d-powerful number, because it can be written as 1 + 4³ + 4⁹ + 2¹⁷ + 3⁵ + 4¹⁰ + 3⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442341) 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, 34321 + ... + 34362.

It is an arithmetic number, because the mean of its divisors is an integer number (274736).

2^1442343 is an apocalyptic number.

1442343 is a deficient number, since it is larger than the sum of its proper divisors (755545).

1442343 is an equidigital number, since it uses as much as digits as its factorization.

1442343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68693.

The product of its digits is 1152, while the sum is 21.

The square root of 1442343 is about 1200.9758532127. The cubic root of 1442343 is about 112.9855360399.

Adding to 1442343 its reverse (3432441), we get a palindrome (4874784).

The spelling of 1442343 in words is "one million, four hundred forty-two thousand, three hundred forty-three".