1142323 has 8 divisors (see below), whose sum is σ = 1406048. Its totient is φ = 903744.

The previous prime is 1142321. The next prime is 1142333. The reversal of 1142323 is 3232411.

It is a happy number.

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 1142323 - 2¹ = 1142321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142297 and 1142306.

It is not an unprimeable number, because it can be changed into a prime (1142321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6186 + ... + 6367.

It is an arithmetic number, because the mean of its divisors is an integer number (175756).

2^1142323 is an apocalyptic number.

1142323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1142323 is a deficient number, since it is larger than the sum of its proper divisors (263725).

1142323 is a wasteful number, since it uses less digits than its factorization.

1142323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12573.

The product of its digits is 144, while the sum is 16.

The square root of 1142323 is about 1068.7951160068. The cubic root of 1142323 is about 104.5353009100.

Adding to 1142323 its reverse (3232411), we get a palindrome (4374734).

The spelling of 1142323 in words is "one million, one hundred forty-two thousand, three hundred twenty-three".