21022023332123 has 8 divisors (see below), whose sum is σ = 22933163640240. Its totient is φ = 19110890903680.

The previous prime is 21022023332119. The next prime is 21022023332201. The reversal of 21022023332123 is 32123332022012.

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

It is a cyclic number.

It is not a de Polignac number, because 21022023332123 - 2² = 21022023332119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21022023332092 and 21022023332101.

It is not an unprimeable number, because it can be changed into a prime (21022023332623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4545263 + ... + 7918551.

It is an arithmetic number, because the mean of its divisors is an integer number (2866645455030).

Almost surely, 2^{21022023332123} is an apocalyptic number.

21022023332123 is a deficient number, since it is larger than the sum of its proper divisors (1911140308117).

21022023332123 is a wasteful number, since it uses less digits than its factorization.

21022023332123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939837.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21022023332123 its reverse (32123332022012), we get a palindrome (53145355354135).

The spelling of 21022023332123 in words is "twenty-one trillion, twenty-two billion, twenty-three million, three hundred thirty-two thousand, one hundred twenty-three".