1143223301243 has 16 divisors (see below), whose sum is σ = 1176263568480. Its totient is φ = 1110492923904.

The previous prime is 1143223301167. The next prime is 1143223301267. The reversal of 1143223301243 is 3421033223411.

It is a cyclic number.

It is not a de Polignac number, because 1143223301243 - 2³² = 1138928333947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143223301293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5729663 + ... + 5925831.

It is an arithmetic number, because the mean of its divisors is an integer number (73516473030).

Almost surely, 2^{1143223301243} is an apocalyptic number.

1143223301243 is a deficient number, since it is larger than the sum of its proper divisors (33040267237).

1143223301243 is a wasteful number, since it uses less digits than its factorization.

1143223301243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196958.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1143223301243 its reverse (3421033223411), we get a palindrome (4564256524654).

The spelling of 1143223301243 in words is "one trillion, one hundred forty-three billion, two hundred twenty-three million, three hundred one thousand, two hundred forty-three".