21223234803 has 8 divisors (see below), whose sum is σ = 28331784400. Its totient is φ = 14131754208.

The previous prime is 21223234763. The next prime is 21223234811. The reversal of 21223234803 is 30843232212.

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

It is a de Polignac number, because none of the positive numbers 2^k-21223234803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21223234873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4264348 + ... + 4269321.

It is an arithmetic number, because the mean of its divisors is an integer number (3541473050).

Almost surely, 2^21223234803 is an apocalyptic number.

21223234803 is a deficient number, since it is larger than the sum of its proper divisors (7108549597).

21223234803 is an equidigital number, since it uses as much as digits as its factorization.

21223234803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8534501.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 21223234803 in words is "twenty-one billion, two hundred twenty-three million, two hundred thirty-four thousand, eight hundred three".