100000010123 has 4 divisors (see below), whose sum is σ = 107692318608. Its totient is φ = 92307701640.

The previous prime is 100000010101. The next prime is 100000010141. The reversal of 100000010123 is 321010000001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321010000001 = 389 ⋅825218509.

It is a cyclic number.

It is not a de Polignac number, because 100000010123 - 2¹⁸ = 99999747979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100000010123.

It is not an unprimeable number, because it can be changed into a prime (100000010723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3846154223 + ... + 3846154248.

It is an arithmetic number, because the mean of its divisors is an integer number (26923079652).

Almost surely, 2^100000010123 is an apocalyptic number.

100000010123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100000010123 is a deficient number, since it is larger than the sum of its proper divisors (7692308485).

100000010123 is an equidigital number, since it uses as much as digits as its factorization.

100000010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692308484.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 100000010123 its reverse (321010000001), we get a palindrome (421010010124).

The spelling of 100000010123 in words is "one hundred billion, ten thousand, one hundred twenty-three".