123424030103 has 4 divisors (see below), whose sum is σ = 134644396488. Its totient is φ = 112203663720.

The previous prime is 123424030099. The next prime is 123424030109. The reversal of 123424030103 is 301030424321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123424030103 - 2² = 123424030099 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 (123424030109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5610183176 + ... + 5610183197.

It is an arithmetic number, because the mean of its divisors is an integer number (33661099122).

Almost surely, 2^123424030103 is an apocalyptic number.

123424030103 is a deficient number, since it is larger than the sum of its proper divisors (11220366385).

123424030103 is a wasteful number, since it uses less digits than its factorization.

123424030103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220366384.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123424030103 its reverse (301030424321), we get a palindrome (424454454424).

The spelling of 123424030103 in words is "one hundred twenty-three billion, four hundred twenty-four million, thirty thousand, one hundred three".