11723572 has 12 divisors (see below), whose sum is σ = 23447200. Its totient is φ = 5024376.

The previous prime is 11723527. The next prime is 11723573. The reversal of 11723572 is 27532711.

11723572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

11723572 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 418699 = 11723572 / (1 + 1 + 7 + 2 + 3 + 5 + 7 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 11723572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11723573) 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, 209322 + ... + 209377.

Almost surely, 2^11723572 is an apocalyptic number.

It is an amenable number.

11723572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11723572 is a wasteful number, since it uses less digits than its factorization.

11723572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418710 (or 418708 counting only the distinct ones).

The product of its digits is 2940, while the sum is 28.

The square root of 11723572 is about 3423.9702101508. The cubic root of 11723572 is about 227.1712241626.

The spelling of 11723572 in words is "eleven million, seven hundred twenty-three thousand, five hundred seventy-two".