23232444040 has 128 divisors (see below), whose sum is σ = 59476032000. Its totient is φ = 8105868288.

The previous prime is 23232443981. The next prime is 23232444083. The reversal of 23232444040 is 4044423232.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692371 + ... + 725149.

It is an arithmetic number, because the mean of its divisors is an integer number (464656500).

Almost surely, 2^23232444040 is an apocalyptic number.

23232444040 is a gapful number since it is divisible by the number (20) 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 23232444040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29738016000).

23232444040 is an abundant number, since it is smaller than the sum of its proper divisors (36243587960).

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

23232444040 is a wasteful number, since it uses less digits than its factorization.

23232444040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32879 (or 32875 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 23232444040 its reverse (4044423232), we get a palindrome (27276867272).

The spelling of 23232444040 in words is "twenty-three billion, two hundred thirty-two million, four hundred forty-four thousand, forty".