11723551632 has 120 divisors (see below), whose sum is σ = 36438813600. Its totient is φ = 3607224192.

The previous prime is 11723551597. The next prime is 11723551649. The reversal of 11723551632 is 23615532711.

11723551632 is a `hidden beast` number, since 1 + 1 + 72 + 3 + 551 + 6 + 32 = 666.

11723551632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7282 + ... + 153297.

It is an arithmetic number, because the mean of its divisors is an integer number (303656780).

Almost surely, 2^11723551632 is an apocalyptic number.

11723551632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11723551632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18219406800).

11723551632 is an abundant number, since it is smaller than the sum of its proper divisors (24715261968).

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

11723551632 is a wasteful number, since it uses less digits than its factorization.

11723551632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160622 (or 160597 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The spelling of 11723551632 in words is "eleven billion, seven hundred twenty-three million, five hundred fifty-one thousand, six hundred thirty-two".