10123112103 has 16 divisors (see below), whose sum is σ = 14589802080. Its totient is φ = 6206442624.

The previous prime is 10123112101. The next prime is 10123112123. The reversal of 10123112103 is 30121132101.

It is a happy number.

It is not a de Polignac number, because 10123112103 - 2¹ = 10123112101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123112101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471976 + ... + 492957.

It is an arithmetic number, because the mean of its divisors is an integer number (911862630).

Almost surely, 2^10123112103 is an apocalyptic number.

10123112103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10123112103 is a deficient number, since it is larger than the sum of its proper divisors (4466689977).

10123112103 is a wasteful number, since it uses less digits than its factorization.

10123112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965218.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10123112103 its reverse (30121132101), we get a palindrome (40244244204).

The spelling of 10123112103 in words is "ten billion, one hundred twenty-three million, one hundred twelve thousand, one hundred three".