11551723 has 4 divisors (see below), whose sum is σ = 11559600. Its totient is φ = 11543848.

The previous prime is 11551699. The next prime is 11551741. The reversal of 11551723 is 32715511.

11551723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11551723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11551783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015 + ... + 4912.

It is an arithmetic number, because the mean of its divisors is an integer number (2889900).

Almost surely, 2^11551723 is an apocalyptic number.

11551723 is a deficient number, since it is larger than the sum of its proper divisors (7877).

11551723 is an equidigital number, since it uses as much as digits as its factorization.

11551723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876.

The product of its digits is 1050, while the sum is 25.

The square root of 11551723 is about 3398.7825761587. The cubic root of 11551723 is about 226.0557658611.

The spelling of 11551723 in words is "eleven million, five hundred fifty-one thousand, seven hundred twenty-three".