21304042422003 has 48 divisors (see below), whose sum is σ = 33630653721600. Its totient is φ = 12888221739840.

The previous prime is 21304042421969. The next prime is 21304042422029. The reversal of 21304042422003 is 30022424040312.

21304042422003 is a `hidden beast` number, since 2 + 1 + 30 + 4 + 0 + 424 + 2 + 200 + 3 = 666.

It is not a de Polignac number, because 21304042422003 - 2⁹ = 21304042421491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21304042422053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 433786813 + ... + 433835921.

It is an arithmetic number, because the mean of its divisors is an integer number (700638619200).

Almost surely, 2^{21304042422003} is an apocalyptic number.

21304042422003 is a deficient number, since it is larger than the sum of its proper divisors (12326611299597).

21304042422003 is a wasteful number, since it uses less digits than its factorization.

21304042422003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56952 (or 56949 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 21304042422003 its reverse (30022424040312), we get a palindrome (51326466462315).

The spelling of 21304042422003 in words is "twenty-one trillion, three hundred four billion, forty-two million, four hundred twenty-two thousand, three".