30103203213123 has 4 divisors (see below), whose sum is σ = 40137604284168. Its totient is φ = 20068802142080.

The previous prime is 30103203213119. The next prime is 30103203213131. The reversal of 30103203213123 is 32131230230103.

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 30103203213123 - 2² = 30103203213119 is a prime.

It is a super-2 number, since 2×30103203213123² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30103203213093 and 30103203213102.

It is not an unprimeable number, because it can be changed into a prime (30103203217123) 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, 5017200535518 + ... + 5017200535523.

It is an arithmetic number, because the mean of its divisors is an integer number (10034401071042).

Almost surely, 2^{30103203213123} is an apocalyptic number.

30103203213123 is a deficient number, since it is larger than the sum of its proper divisors (10034401071045).

30103203213123 is a wasteful number, since it uses less digits than its factorization.

30103203213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10034401071044.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 30103203213123 its reverse (32131230230103), we get a palindrome (62234433443226).

The spelling of 30103203213123 in words is "thirty trillion, one hundred three billion, two hundred three million, two hundred thirteen thousand, one hundred twenty-three".