123012302103 has 64 divisors (see below), whose sum is σ = 193787596800. Its totient is φ = 76957452000.

The previous prime is 123012302099. The next prime is 123012302123. The reversal of 123012302103 is 301203210321.

It is not a de Polignac number, because 123012302103 - 2² = 123012302099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012302123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10437468 + ... + 10449246.

It is an arithmetic number, because the mean of its divisors is an integer number (3027931200).

Almost surely, 2^123012302103 is an apocalyptic number.

123012302103 is a deficient number, since it is larger than the sum of its proper divisors (70775294697).

123012302103 is a wasteful number, since it uses less digits than its factorization.

123012302103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12129 (or 12123 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123012302103 its reverse (301203210321), we get a palindrome (424215512424).

The spelling of 123012302103 in words is "one hundred twenty-three billion, twelve million, three hundred two thousand, one hundred three".