23444430043321 has 16 divisors (see below), whose sum is σ = 26893263837184. Its totient is φ = 20020529785104.

The previous prime is 23444430043301. The next prime is 23444430043327. The reversal of 23444430043321 is 12334003444432.

It is a cyclic number.

It is not a de Polignac number, because 23444430043321 - 2²³ = 23444421654713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23444430043327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9695440 + ... + 11869726.

It is an arithmetic number, because the mean of its divisors is an integer number (1680828989824).

Almost surely, 2^{23444430043321} is an apocalyptic number.

It is an amenable number.

23444430043321 is a deficient number, since it is larger than the sum of its proper divisors (3448833793863).

23444430043321 is a wasteful number, since it uses less digits than its factorization.

23444430043321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180020.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 23444430043321 its reverse (12334003444432), we get a palindrome (35778433487753).

The spelling of 23444430043321 in words is "twenty-three trillion, four hundred forty-four billion, four hundred thirty million, forty-three thousand, three hundred twenty-one".