21442104330223 has 8 divisors (see below), whose sum is σ = 22703826776400. Its totient is φ = 20180428794240.

The previous prime is 21442104330079. The next prime is 21442104330239. The reversal of 21442104330223 is 32203340124412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21442104330223 - 2²⁹ = 21441567459311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21442104330253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10784308 + ... + 12616873.

It is an arithmetic number, because the mean of its divisors is an integer number (2837978347050).

Almost surely, 2^{21442104330223} is an apocalyptic number.

21442104330223 is a deficient number, since it is larger than the sum of its proper divisors (1261722446177).

21442104330223 is a wasteful number, since it uses less digits than its factorization.

21442104330223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23455097.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 21442104330223 its reverse (32203340124412), we get a palindrome (53645444454635).

The spelling of 21442104330223 in words is "twenty-one trillion, four hundred forty-two billion, one hundred four million, three hundred thirty thousand, two hundred twenty-three".