11518310423 has 2 divisors, whose sum is σ = 11518310424. Its totient is φ = 11518310422.

The previous prime is 11518310387. The next prime is 11518310449. The reversal of 11518310423 is 32401381511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11518310423 - 2¹⁶ = 11518244887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11518310723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5759155211 + 5759155212.

It is an arithmetic number, because the mean of its divisors is an integer number (5759155212).

Almost surely, 2^11518310423 is an apocalyptic number.

11518310423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11518310423 is an equidigital number, since it uses as much as digits as its factorization.

11518310423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 11518310423 its reverse (32401381511), we get a palindrome (43919691934).

The spelling of 11518310423 in words is "eleven billion, five hundred eighteen million, three hundred ten thousand, four hundred twenty-three".