100000010020023 has 12 divisors (see below), whose sum is σ = 149425302329160. Its totient is φ = 64367822541456.

The previous prime is 100000010019997. The next prime is 100000010020051. The reversal of 100000010020023 is 320020010000001.

It is a happy number.

It is not a de Polignac number, because 100000010020023 - 2¹⁴ = 100000010003639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100000010019987 and 100000010020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000010020093) 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 11 ways as a sum of consecutive naturals, for example, 191570900161 + ... + 191570900682.

It is an arithmetic number, because the mean of its divisors is an integer number (12452108527430).

Almost surely, 2^{100000010020023} is an apocalyptic number.

100000010020023 is a deficient number, since it is larger than the sum of its proper divisors (49425292309137).

100000010020023 is a wasteful number, since it uses less digits than its factorization.

100000010020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383141800878 (or 383141800875 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 100000010020023 its reverse (320020010000001), we get a palindrome (420020020020024).

The spelling of 100000010020023 in words is "one hundred trillion, ten million, twenty thousand, twenty-three".