23440444434 has 96 divisors (see below), whose sum is σ = 57867623424. Its totient is φ = 6787983840.

The previous prime is 23440444427. The next prime is 23440444451. The reversal of 23440444434 is 43444404432.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7316677 + ... + 7319879.

It is an arithmetic number, because the mean of its divisors is an integer number (602787744).

Almost surely, 2^23440444434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23440444434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28933811712).

23440444434 is an abundant number, since it is smaller than the sum of its proper divisors (34427178990).

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

23440444434 is a wasteful number, since it uses less digits than its factorization.

23440444434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852 (or 4849 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 23440444434 its reverse (43444404432), we get a palindrome (66884848866).

The spelling of 23440444434 in words is "twenty-three billion, four hundred forty million, four hundred forty-four thousand, four hundred thirty-four".