21200233112223 has 8 divisors (see below), whose sum is σ = 30836702708736. Its totient is φ = 12848626128600.

The previous prime is 21200233112209. The next prime is 21200233112239. The reversal of 21200233112223 is 32221133200212.

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

It is not a de Polignac number, because 21200233112223 - 2⁴ = 21200233112207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21200233112193 and 21200233112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200233112243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321215653183 + ... + 321215653248.

It is an arithmetic number, because the mean of its divisors is an integer number (3854587838592).

Almost surely, 2^{21200233112223} is an apocalyptic number.

21200233112223 is a deficient number, since it is larger than the sum of its proper divisors (9636469596513).

21200233112223 is a wasteful number, since it uses less digits than its factorization.

21200233112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642431306445.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21200233112223 its reverse (32221133200212), we get a palindrome (53421366312435).

The spelling of 21200233112223 in words is "twenty-one trillion, two hundred billion, two hundred thirty-three million, one hundred twelve thousand, two hundred twenty-three".