23440044132 has 36 divisors (see below), whose sum is σ = 59826486720. Its totient is φ = 7737489072.

The previous prime is 23440044053. The next prime is 23440044139. The reversal of 23440044132 is 23144004432.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 23440044096 and 23440044105.

It is not an unprimeable number, because it can be changed into a prime (23440044139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3157032 + ... + 3164447.

Almost surely, 2^23440044132 is an apocalyptic number.

It is an amenable number.

23440044132 is an abundant number, since it is smaller than the sum of its proper divisors (36386442588).

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

23440044132 is a wasteful number, since it uses less digits than its factorization.

23440044132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6321592 (or 6321587 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 23440044132 its reverse (23144004432), we get a palindrome (46584048564).

The spelling of 23440044132 in words is "twenty-three billion, four hundred forty million, forty-four thousand, one hundred thirty-two".