1142343 has 14 divisors (see below), whose sum is σ = 1713824. Its totient is φ = 761076.

The previous prime is 1142333. The next prime is 1142353. The reversal of 1142343 is 3432411.

It is an interprime number because it is at equal distance from previous prime (1142333) and next prime (1142353).

It is not a de Polignac number, because 1142343 - 2⁵ = 1142311 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 (1142333) 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 13 ways as a sum of consecutive naturals, for example, 55 + ... + 1512.

It is an arithmetic number, because the mean of its divisors is an integer number (122416).

2^1142343 is an apocalyptic number.

1142343 is a deficient number, since it is larger than the sum of its proper divisors (571481).

1142343 is an frugal number, since it uses more digits than its factorization.

1142343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585 (or 1570 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1142343 is about 1068.8044722960. The cubic root of 1142343 is about 104.5359109808.

Adding to 1142343 its reverse (3432411), we get a palindrome (4574754).

It can be divided in two parts, 1142 and 343, that added together give a triangular number (1485 = T₅₄).

The spelling of 1142343 in words is "one million, one hundred forty-two thousand, three hundred forty-three".