11723801 has 4 divisors (see below), whose sum is σ = 12128100. Its totient is φ = 11319504.

The previous prime is 11723753. The next prime is 11723843. The reversal of 11723801 is 10832711.

It is a happy number.

11723801 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6130576 + 5593225 = 2476^2 + 2365^2 .

It is a cyclic number.

It is not a de Polignac number, because 11723801 - 2⁶ = 11723737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11723891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202106 + ... + 202163.

It is an arithmetic number, because the mean of its divisors is an integer number (3032025).

Almost surely, 2^11723801 is an apocalyptic number.

It is an amenable number.

11723801 is a deficient number, since it is larger than the sum of its proper divisors (404299).

11723801 is an equidigital number, since it uses as much as digits as its factorization.

11723801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404298.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 11723801 is about 3424.0036506990. The cubic root of 11723801 is about 227.1727032872.

The spelling of 11723801 in words is "eleven million, seven hundred twenty-three thousand, eight hundred one".