21044023341 has 16 divisors (see below), whose sum is σ = 30696217920. Its totient is φ = 12717816320.

The previous prime is 21044023331. The next prime is 21044023369. The reversal of 21044023341 is 14332044012.

It is not a de Polignac number, because 21044023341 - 2⁹ = 21044022829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21044023331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891606 + ... + 914903.

It is an arithmetic number, because the mean of its divisors is an integer number (1918513620).

Almost surely, 2^21044023341 is an apocalyptic number.

It is an amenable number.

21044023341 is a deficient number, since it is larger than the sum of its proper divisors (9652194579).

21044023341 is a wasteful number, since it uses less digits than its factorization.

21044023341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806876.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21044023341 its reverse (14332044012), we get a palindrome (35376067353).

The spelling of 21044023341 in words is "twenty-one billion, forty-four million, twenty-three thousand, three hundred forty-one".