1142231143343 has 4 divisors (see below), whose sum is σ = 1202348571960. Its totient is φ = 1082113714728.

The previous prime is 1142231143327. The next prime is 1142231143363. The reversal of 1142231143343 is 3433411322411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1142231143343 - 2⁴ = 1142231143327 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 (1142231143363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30058714280 + ... + 30058714317.

It is an arithmetic number, because the mean of its divisors is an integer number (300587142990).

Almost surely, 2^{1142231143343} is an apocalyptic number.

1142231143343 is a deficient number, since it is larger than the sum of its proper divisors (60117428617).

1142231143343 is an equidigital number, since it uses as much as digits as its factorization.

1142231143343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60117428616.

The product of its digits is 20736, while the sum is 32.

Adding to 1142231143343 its reverse (3433411322411), we get a palindrome (4575642465754).

The spelling of 1142231143343 in words is "one trillion, one hundred forty-two billion, two hundred thirty-one million, one hundred forty-three thousand, three hundred forty-three".