23440444422 has 16 divisors (see below), whose sum is σ = 47116473600. Its totient is φ = 7774217352.

The previous prime is 23440444421. The next prime is 23440444427. The reversal of 23440444422 is 22444404432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440444421) 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, 9814738 + ... + 9817125.

It is an arithmetic number, because the mean of its divisors is an integer number (2944779600).

Almost surely, 2^23440444422 is an apocalyptic number.

23440444422 is an abundant number, since it is smaller than the sum of its proper divisors (23676029178).

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

23440444422 is a wasteful number, since it uses less digits than its factorization.

23440444422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19632067.

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 23440444422 its reverse (22444404432), we get a palindrome (45884848854).

The spelling of 23440444422 in words is "twenty-three billion, four hundred forty million, four hundred forty-four thousand, four hundred twenty-two".