100123200101023 has 16 divisors (see below), whose sum is σ = 109504158969600. Its totient is φ = 90788764150080.

The previous prime is 100123200100993. The next prime is 100123200101083. The reversal of 100123200101023 is 320101002321001.

It is a cyclic number.

It is not a de Polignac number, because 100123200101023 - 2¹⁷ = 100123199969951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100123200100988 and 100123200101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123200101083) 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, 40732140 + ... + 43120222.

It is an arithmetic number, because the mean of its divisors is an integer number (6844009935600).

Almost surely, 2^{100123200101023} is an apocalyptic number.

100123200101023 is a deficient number, since it is larger than the sum of its proper divisors (9380958868577).

100123200101023 is a wasteful number, since it uses less digits than its factorization.

100123200101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397822.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100123200101023 its reverse (320101002321001), we get a palindrome (420224202422024).

The spelling of 100123200101023 in words is "one hundred trillion, one hundred twenty-three billion, two hundred million, one hundred one thousand, twenty-three".