21032100244023 has 8 divisors (see below), whose sum is σ = 30592145809536. Its totient is φ = 12746727420600.

The previous prime is 21032100244007. The next prime is 21032100244039. The reversal of 21032100244023 is 32044200123012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21032100244007) and next prime (21032100244039).

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

It is not a de Polignac number, because 21032100244023 - 2⁴ = 21032100244007 is a prime.

It is a super-2 number, since 2×21032100244023² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21032100243984 and 21032100244002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032100244003) 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, 318668185483 + ... + 318668185548.

It is an arithmetic number, because the mean of its divisors is an integer number (3824018226192).

Almost surely, 2^{21032100244023} is an apocalyptic number.

21032100244023 is a deficient number, since it is larger than the sum of its proper divisors (9560045565513).

21032100244023 is a wasteful number, since it uses less digits than its factorization.

21032100244023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637336371045.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21032100244023 its reverse (32044200123012), we get a palindrome (53076300367035).

The spelling of 21032100244023 in words is "twenty-one trillion, thirty-two billion, one hundred million, two hundred forty-four thousand, twenty-three".