100002101923 has 2 divisors, whose sum is σ = 100002101924. Its totient is φ = 100002101922.

The previous prime is 100002101917. The next prime is 100002102007. The reversal of 100002101923 is 329101200001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100002101923 - 2⁹ = 100002101411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100002101923.

It is not a weakly prime, because it can be changed into another prime (100002101323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50001050961 + 50001050962.

It is an arithmetic number, because the mean of its divisors is an integer number (50001050962).

Almost surely, 2^100002101923 is an apocalyptic number.

100002101923 is a deficient number, since it is larger than the sum of its proper divisors (1).

100002101923 is an equidigital number, since it uses as much as digits as its factorization.

100002101923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 100002101923 its reverse (329101200001), we get a palindrome (429103301924).

The spelling of 100002101923 in words is "one hundred billion, two million, one hundred one thousand, nine hundred twenty-three".