21101230300023 has 16 divisors (see below), whose sum is σ = 31926211330560. Its totient is φ = 13768178634648.

The previous prime is 21101230299979. The next prime is 21101230300057. The reversal of 21101230300023 is 32000303210112.

21101230300023 is a `hidden beast` number, since 2 + 110 + 1 + 230 + 300 + 0 + 23 = 666.

It is not a de Polignac number, because 21101230300023 - 2⁹ = 21101230299511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21101230299969 and 21101230300005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101230300123) 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, 8314116265 + ... + 8314118802.

It is an arithmetic number, because the mean of its divisors is an integer number (1995388208160).

Almost surely, 2^{21101230300023} is an apocalyptic number.

21101230300023 is a deficient number, since it is larger than the sum of its proper divisors (10824981030537).

21101230300023 is a wasteful number, since it uses less digits than its factorization.

21101230300023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16628235123 (or 16628235117 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21101230300023 its reverse (32000303210112), we get a palindrome (53101533510135).

The spelling of 21101230300023 in words is "twenty-one trillion, one hundred one billion, two hundred thirty million, three hundred thousand, twenty-three".