11856723 has 8 divisors (see below), whose sum is σ = 15884736. Its totient is φ = 7866600.

The previous prime is 11856709. The next prime is 11856727. The reversal of 11856723 is 32765811.

11856723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11856723 - 2⁶ = 11856659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11856727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8733 + ... + 9998.

It is an arithmetic number, because the mean of its divisors is an integer number (1985592).

Almost surely, 2^11856723 is an apocalyptic number.

11856723 is a deficient number, since it is larger than the sum of its proper divisors (4028013).

11856723 is a wasteful number, since it uses less digits than its factorization.

11856723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18945.

The product of its digits is 10080, while the sum is 33.

The square root of 11856723 is about 3443.3592609543. The cubic root of 11856723 is about 228.0280244100.

The spelling of 11856723 in words is "eleven million, eight hundred fifty-six thousand, seven hundred twenty-three".