1101431043023 has 2 divisors, whose sum is σ = 1101431043024. Its totient is φ = 1101431043022.

The previous prime is 1101431043007. The next prime is 1101431043047. The reversal of 1101431043023 is 3203401341011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101431043023 - 2⁴ = 1101431043007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101431043023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101431043623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550715521511 + 550715521512.

It is an arithmetic number, because the mean of its divisors is an integer number (550715521512).

Almost surely, 2^{1101431043023} is an apocalyptic number.

1101431043023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101431043023 is an equidigital number, since it uses as much as digits as its factorization.

1101431043023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1101431043023 its reverse (3203401341011), we get a palindrome (4304832384034).

The spelling of 1101431043023 in words is "one trillion, one hundred one billion, four hundred thirty-one million, forty-three thousand, twenty-three".