1143223202041 has 4 divisors (see below), whose sum is σ = 1143434407012. Its totient is φ = 1143011997072.

The previous prime is 1143223202003. The next prime is 1143223202063. The reversal of 1143223202041 is 1402023223411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 781493128441 + 361730073600 = 884021^2 + 601440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143223202041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143223201997 and 1143223202015.

It is not an unprimeable number, because it can be changed into a prime (1143223202941) 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, 105594366 + ... + 105605191.

It is an arithmetic number, because the mean of its divisors is an integer number (285858601753).

Almost surely, 2^{1143223202041} is an apocalyptic number.

It is an amenable number.

1143223202041 is a deficient number, since it is larger than the sum of its proper divisors (211204971).

1143223202041 is an equidigital number, since it uses as much as digits as its factorization.

1143223202041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211204970.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1143223202041 its reverse (1402023223411), we get a palindrome (2545246425452).

The spelling of 1143223202041 in words is "one trillion, one hundred forty-three billion, two hundred twenty-three million, two hundred two thousand, forty-one".