123020330103 has 36 divisors (see below), whose sum is σ = 198520833784. Its totient is φ = 73335477600.

The previous prime is 123020330101. The next prime is 123020330143. The reversal of 123020330103 is 301033020321.

123020330103 is a `hidden beast` number, since 1 + 230 + 2 + 0 + 330 + 103 = 666.

It is not a de Polignac number, because 123020330103 - 2¹ = 123020330101 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 (123020330101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 859525 + ... + 992382.

Almost surely, 2^123020330103 is an apocalyptic number.

123020330103 is a deficient number, since it is larger than the sum of its proper divisors (75500503681).

123020330103 is a wasteful number, since it uses less digits than its factorization.

123020330103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851996 (or 1851982 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 123020330103 its reverse (301033020321), we get a palindrome (424053350424).

The spelling of 123020330103 in words is "one hundred twenty-three billion, twenty million, three hundred thirty thousand, one hundred three".