11421054023 has 2 divisors, whose sum is σ = 11421054024. Its totient is φ = 11421054022.

The previous prime is 11421054017. The next prime is 11421054049. The reversal of 11421054023 is 32045012411.

It is a weak prime.

It is an emirp because it is prime and its reverse (32045012411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11421054023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11421054023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11421054923) 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, 5710527011 + 5710527012.

It is an arithmetic number, because the mean of its divisors is an integer number (5710527012).

Almost surely, 2^11421054023 is an apocalyptic number.

11421054023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421054023 is an equidigital number, since it uses as much as digits as its factorization.

11421054023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 11421054023 its reverse (32045012411), we get a palindrome (43466066434).

The spelling of 11421054023 in words is "eleven billion, four hundred twenty-one million, fifty-four thousand, twenty-three".