32723322912 has 144 divisors (see below), whose sum is σ = 107849169792. Its totient is φ = 9217797120.

The previous prime is 32723322901. The next prime is 32723322917. The reversal of 32723322912 is 21922332723.

32723322912 is a `hidden beast` number, since 32 + 7 + 2 + 332 + 291 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (32723322917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28828 + ... + 257444.

It is an arithmetic number, because the mean of its divisors is an integer number (748952568).

Almost surely, 2^32723322912 is an apocalyptic number.

32723322912 is a gapful number since it is divisible by the number (32) 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 32723322912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53924584896).

32723322912 is an abundant number, since it is smaller than the sum of its proper divisors (75125846880).

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

32723322912 is a wasteful number, since it uses less digits than its factorization.

32723322912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228711 (or 228700 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The spelling of 32723322912 in words is "thirty-two billion, seven hundred twenty-three million, three hundred twenty-two thousand, nine hundred twelve".