21233122033023 has 16 divisors (see below), whose sum is σ = 31456551859200. Its totient is φ = 14155381040760.

The previous prime is 21233122033003. The next prime is 21233122033027. The reversal of 21233122033023 is 32033022133212.

21233122033023 is a `hidden beast` number, since 2 + 1 + 2 + 331 + 2 + 20 + 3 + 302 + 3 = 666.

It is not a de Polignac number, because 21233122033023 - 2²⁸ = 21232853597567 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233122033027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16648588 + ... + 17878526.

It is an arithmetic number, because the mean of its divisors is an integer number (1966034491200).

Almost surely, 2^{21233122033023} is an apocalyptic number.

21233122033023 is a deficient number, since it is larger than the sum of its proper divisors (10223429826177).

21233122033023 is a wasteful number, since it uses less digits than its factorization.

21233122033023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869339 (or 1869333 counting only the distinct ones).

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

Adding to 21233122033023 its reverse (32033022133212), we get a palindrome (53266144166235).

The spelling of 21233122033023 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred twenty-two million, thirty-three thousand, twenty-three".