100120103123 has 8 divisors (see below), whose sum is σ = 101039860656. Its totient is φ = 99204480000.

The previous prime is 100120103051. The next prime is 100120103129. The reversal of 100120103123 is 321301021001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100120103123 - 2¹⁶ = 100120037587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100120103098 and 100120103107.

It is not an unprimeable number, because it can be changed into a prime (100120103129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984938 + ... + 1081823.

It is an arithmetic number, because the mean of its divisors is an integer number (12629982582).

Almost surely, 2^100120103123 is an apocalyptic number.

100120103123 is a deficient number, since it is larger than the sum of its proper divisors (919757533).

100120103123 is a wasteful number, since it uses less digits than its factorization.

100120103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067205.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100120103123 its reverse (321301021001), we get a palindrome (421421124124).

The spelling of 100120103123 in words is "one hundred billion, one hundred twenty million, one hundred three thousand, one hundred twenty-three".