11530456423 has 2 divisors, whose sum is σ = 11530456424. Its totient is φ = 11530456422.

The previous prime is 11530456403. The next prime is 11530456429. The reversal of 11530456423 is 32465403511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11530456423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11530456429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5765228211 + 5765228212.

It is an arithmetic number, because the mean of its divisors is an integer number (5765228212).

Almost surely, 2^11530456423 is an apocalyptic number.

11530456423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11530456423 is an equidigital number, since it uses as much as digits as its factorization.

11530456423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 11530456423 its reverse (32465403511), we get a palindrome (43995859934).

The spelling of 11530456423 in words is "eleven billion, five hundred thirty million, four hundred fifty-six thousand, four hundred twenty-three".