23440004432 has 20 divisors (see below), whose sum is σ = 48908471220. Its totient is φ = 10818463488.

The previous prime is 23440004369. The next prime is 23440004437.

23440004432 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 10412977936 + 13027026496 = 102044^2 + 114136^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440004437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56345957 + ... + 56346372.

It is an arithmetic number, because the mean of its divisors is an integer number (2445423561).

Almost surely, 2^23440004432 is an apocalyptic number.

It is an amenable number.

23440004432 is an abundant number, since it is smaller than the sum of its proper divisors (25468466788).

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

23440004432 is a wasteful number, since it uses less digits than its factorization.

23440004432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112692350 (or 112692344 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

It can be divided in two parts, 2344000 and 4432, that added together give a palindrome (2348432).

The spelling of 23440004432 in words is "twenty-three billion, four hundred forty million, four thousand, four hundred thirty-two".