1143403003243 has 4 divisors (see below), whose sum is σ = 1182830693040. Its totient is φ = 1103975313448.

The previous prime is 1143403003241. The next prime is 1143403003273. The reversal of 1143403003243 is 3423003043411.

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 1143403003243 - 2¹ = 1143403003241 is a prime.

It is a super-2 number, since 2×1143403003243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143403003241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19713844855 + ... + 19713844912.

It is an arithmetic number, because the mean of its divisors is an integer number (295707673260).

Almost surely, 2^{1143403003243} is an apocalyptic number.

1143403003243 is a deficient number, since it is larger than the sum of its proper divisors (39427689797).

1143403003243 is an equidigital number, since it uses as much as digits as its factorization.

1143403003243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39427689796.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1143403003243 its reverse (3423003043411), we get a palindrome (4566406046654).

The spelling of 1143403003243 in words is "one trillion, one hundred forty-three billion, four hundred three million, three thousand, two hundred forty-three".