10421006223 has 4 divisors (see below), whose sum is σ = 13894674968. Its totient is φ = 6947337480.

The previous prime is 10421006213. The next prime is 10421006231. The reversal of 10421006223 is 32260012401.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-10421006223 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 10421006223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421006213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1736834368 + ... + 1736834373.

It is an arithmetic number, because the mean of its divisors is an integer number (3473668742).

Almost surely, 2^10421006223 is an apocalyptic number.

10421006223 is a deficient number, since it is larger than the sum of its proper divisors (3473668745).

10421006223 is an equidigital number, since it uses as much as digits as its factorization.

10421006223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473668744.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10421006223 its reverse (32260012401), we get a palindrome (42681018624).

The spelling of 10421006223 in words is "ten billion, four hundred twenty-one million, six thousand, two hundred twenty-three".