11455123 has 2 divisors, whose sum is σ = 11455124. Its totient is φ = 11455122.

The previous prime is 11455121. The next prime is 11455141. The reversal of 11455123 is 32155411.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32155411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11455123 - 2¹ = 11455121 is a prime.

Together with 11455121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11455094 and 11455103.

It is not a weakly prime, because it can be changed into another prime (11455121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727561 + 5727562.

It is an arithmetic number, because the mean of its divisors is an integer number (5727562).

Almost surely, 2^11455123 is an apocalyptic number.

11455123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455123 is an equidigital number, since it uses as much as digits as its factorization.

11455123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 11455123 is about 3384.5417710526. The cubic root of 11455123 is about 225.4238791388.

The spelling of 11455123 in words is "eleven million, four hundred fifty-five thousand, one hundred twenty-three".