21233203301223 has 12 divisors (see below), whose sum is σ = 30673506626568. Its totient is φ = 14153934676560.

The previous prime is 21233203301203. The next prime is 21233203301239. The reversal of 21233203301223 is 32210330233212.

21233203301223 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 320 + 330 + 1 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 21233203301223 - 2²⁴ = 21233186524007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233203301203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127761588 + ... + 127927673.

It is an arithmetic number, because the mean of its divisors is an integer number (2556125552214).

Almost surely, 2^{21233203301223} is an apocalyptic number.

21233203301223 is a deficient number, since it is larger than the sum of its proper divisors (9440303325345).

21233203301223 is a wasteful number, since it uses less digits than its factorization.

21233203301223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255698494 (or 255698491 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 21233203301223 its reverse (32210330233212), we get a palindrome (53443533534435).

The spelling of 21233203301223 in words is "twenty-one trillion, two hundred thirty-three billion, two hundred three million, three hundred one thousand, two hundred twenty-three".