11387123 has 8 divisors (see below), whose sum is σ = 12533616. Its totient is φ = 10259200.

The previous prime is 11387087. The next prime is 11387143. The reversal of 11387123 is 32178311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11387123 - 2⁸ = 11386867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11387092 and 11387101.

It is not an unprimeable number, because it can be changed into a prime (11387143) 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 in 7 ways as a sum of consecutive naturals, for example, 3338 + ... + 5823.

It is an arithmetic number, because the mean of its divisors is an integer number (1566702).

Almost surely, 2^11387123 is an apocalyptic number.

11387123 is a deficient number, since it is larger than the sum of its proper divisors (1146493).

11387123 is a wasteful number, since it uses less digits than its factorization.

11387123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9285.

The product of its digits is 1008, while the sum is 26.

The square root of 11387123 is about 3374.4811453022. The cubic root of 11387123 is about 224.9769392003.

The spelling of 11387123 in words is "eleven million, three hundred eighty-seven thousand, one hundred twenty-three".