32001223032 has 96 divisors (see below), whose sum is σ = 88492294800. Its totient is φ = 10445073408.

The previous prime is 32001223013. The next prime is 32001223039. The reversal of 32001223032 is 23032210023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 32001222996 and 32001223014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32001223039) 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, 651594 + ... + 698982.

Almost surely, 2^32001223032 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 32001223032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44246147400).

32001223032 is an abundant number, since it is smaller than the sum of its proper divisors (56491071768).

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

32001223032 is a wasteful number, since it uses less digits than its factorization.

32001223032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47597 (or 47590 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 32001223032 its reverse (23032210023), we get a palindrome (55033433055).

The spelling of 32001223032 in words is "thirty-two billion, one million, two hundred twenty-three thousand, thirty-two".