21233334223323 has 20 divisors (see below), whose sum is σ = 32192348265000. Its totient is φ = 13944279187872.

The previous prime is 21233334223313. The next prime is 21233334223351. The reversal of 21233334223323 is 32332243333212.

It is a happy number.

21233334223323 is a `hidden beast` number, since 21 + 233 + 33 + 42 + 2 + 332 + 3 = 666.

It is not a de Polignac number, because 21233334223323 - 2¹⁰ = 21233334222299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21233334223313) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1956262698 + ... + 1956273551.

It is an arithmetic number, because the mean of its divisors is an integer number (1609617413250).

Almost surely, 2^{21233334223323} is an apocalyptic number.

21233334223323 is a deficient number, since it is larger than the sum of its proper divisors (10959014041677).

21233334223323 is an equidigital number, since it uses as much as digits as its factorization.

21233334223323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912536328 (or 3912536319 counting only the distinct ones).

The product of its digits is 279936, while the sum is 36.

Adding to 21233334223323 its reverse (32332243333212), we get a palindrome (53565577556535).

The spelling of 21233334223323 in words is "twenty-one trillion, two hundred thirty-three billion, three hundred thirty-four million, two hundred twenty-three thousand, three hundred twenty-three".