32723163264 has 128 divisors (see below), whose sum is σ = 94897013760. Its totient is φ = 9908352000.

The previous prime is 32723163223. The next prime is 32723163283. The reversal of 32723163264 is 46236132723.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7732029 + ... + 7736259.

It is an arithmetic number, because the mean of its divisors is an integer number (741382920).

Almost surely, 2^32723163264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32723163264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47448506880).

32723163264 is an abundant number, since it is smaller than the sum of its proper divisors (62173850496).

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

32723163264 is a wasteful number, since it uses less digits than its factorization.

32723163264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6090 (or 6078 counting only the distinct ones).

The product of its digits is 217728, while the sum is 39.

Adding to 32723163264 its reverse (46236132723), we get a palindrome (78959295987).

The spelling of 32723163264 in words is "thirty-two billion, seven hundred twenty-three million, one hundred sixty-three thousand, two hundred sixty-four".