23444440032 has 48 divisors (see below), whose sum is σ = 66275632080. Its totient is φ = 7213673472.

The previous prime is 23444440013. The next prime is 23444440037. The reversal of 23444440032 is 23004444432.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×23444440032² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23444440037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9391557 + ... + 9394052.

It is an arithmetic number, because the mean of its divisors is an integer number (1380742335).

Almost surely, 2^23444440032 is an apocalyptic number.

It is an amenable number.

23444440032 is an abundant number, since it is smaller than the sum of its proper divisors (42831192048).

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

23444440032 is a wasteful number, since it uses less digits than its factorization.

23444440032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18785635 (or 18785627 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 23444440032 its reverse (23004444432), we get a palindrome (46448884464).

It can be divided in two parts, 234444400 and 32, that added together give a palindrome (234444432).

The spelling of 23444440032 in words is "twenty-three billion, four hundred forty-four million, four hundred forty thousand, thirty-two".