21330022023 has 24 divisors (see below), whose sum is σ = 31344041040. Its totient is φ = 13973731200.

The previous prime is 21330022013. The next prime is 21330022031. The reversal of 21330022023 is 32022003312.

It is a happy number.

It is not a de Polignac number, because 21330022023 - 2⁵ = 21330021991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21330021987 and 21330022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21330022013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1817073 + ... + 1828773.

It is an arithmetic number, because the mean of its divisors is an integer number (1306001710).

Almost surely, 2^21330022023 is an apocalyptic number.

21330022023 is a deficient number, since it is larger than the sum of its proper divisors (10014019017).

21330022023 is a wasteful number, since it uses less digits than its factorization.

21330022023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15199 (or 15196 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 21330022023 its reverse (32022003312), we get a palindrome (53352025335).

The spelling of 21330022023 in words is "twenty-one billion, three hundred thirty million, twenty-two thousand, twenty-three".