11123400023 has 2 divisors, whose sum is σ = 11123400024. Its totient is φ = 11123400022.

The previous prime is 11123400011. The next prime is 11123400053. The reversal of 11123400023 is 32000432111.

11123400023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11123400023 - 2⁴ = 11123400007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11123399974 and 11123400010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123400053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561700011 + 5561700012.

It is an arithmetic number, because the mean of its divisors is an integer number (5561700012).

Almost surely, 2^11123400023 is an apocalyptic number.

11123400023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123400023 is an equidigital number, since it uses as much as digits as its factorization.

11123400023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11123400023 its reverse (32000432111), we get a palindrome (43123832134).

The spelling of 11123400023 in words is "eleven billion, one hundred twenty-three million, four hundred thousand, twenty-three".