21424222032323 has 8 divisors (see below), whose sum is σ = 23372037005616. Its totient is φ = 19476433463200.

The previous prime is 21424222032277. The next prime is 21424222032371. The reversal of 21424222032323 is 32323022242412.

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

It is a cyclic number.

It is not a de Polignac number, because 21424222032323 - 2³⁴ = 21407042163139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21424222032323.

It is not an unprimeable number, because it can be changed into a prime (21424225032323) 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 7 ways as a sum of consecutive naturals, for example, 4885088 + ... + 8167773.

It is an arithmetic number, because the mean of its divisors is an integer number (2921504625702).

Almost surely, 2^{21424222032323} is an apocalyptic number.

21424222032323 is a deficient number, since it is larger than the sum of its proper divisors (1947814973293).

21424222032323 is a wasteful number, since it uses less digits than its factorization.

21424222032323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13202085.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 21424222032323 its reverse (32323022242412), we get a palindrome (53747244274735).

The spelling of 21424222032323 in words is "twenty-one trillion, four hundred twenty-four billion, two hundred twenty-two million, thirty-two thousand, three hundred twenty-three".