123103101 has 12 divisors (see below), whose sum is σ = 180416096. Its totient is φ = 74607720.

The previous prime is 123103081. The next prime is 123103111. The reversal of 123103101 is 101301321.

It is not a de Polignac number, because 123103101 - 2¹⁵ = 123070333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123103111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169201 + ... + 169926.

Almost surely, 2^123103101 is an apocalyptic number.

123103101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123103101 is a deficient number, since it is larger than the sum of its proper divisors (57312995).

123103101 is a wasteful number, since it uses less digits than its factorization.

123103101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339152 (or 339141 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 123103101 is about 11095.1836848247. The cubic root of 123103101 is about 497.4578986788.

Adding to 123103101 its reverse (101301321), we get a palindrome (224404422).

The spelling of 123103101 in words is "one hundred twenty-three million, one hundred three thousand, one hundred one".