1131423045323 has 2 divisors, whose sum is σ = 1131423045324. Its totient is φ = 1131423045322.

The previous prime is 1131423045287. The next prime is 1131423045331. The reversal of 1131423045323 is 3235403241311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131423045323 - 2²² = 1131418851019 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131423045323.

It is not a weakly prime, because it can be changed into another prime (1131423045223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565711522661 + 565711522662.

It is an arithmetic number, because the mean of its divisors is an integer number (565711522662).

Almost surely, 2^{1131423045323} is an apocalyptic number.

1131423045323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131423045323 is an equidigital number, since it uses as much as digits as its factorization.

1131423045323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 1131423045323 its reverse (3235403241311), we get a palindrome (4366826286634).

The spelling of 1131423045323 in words is "one trillion, one hundred thirty-one billion, four hundred twenty-three million, forty-five thousand, three hundred twenty-three".