30103013123 has 4 divisors (see below), whose sum is σ = 30103380240. Its totient is φ = 30102646008.

The previous prime is 30103013069. The next prime is 30103013131. The reversal of 30103013123 is 32131030103.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30103013123 - 2⁸ = 30103012867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30103013183) 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, 1898 + ... + 245376.

It is an arithmetic number, because the mean of its divisors is an integer number (7525845060).

Almost surely, 2^30103013123 is an apocalyptic number.

30103013123 is a deficient number, since it is larger than the sum of its proper divisors (367117).

30103013123 is a wasteful number, since it uses less digits than its factorization.

30103013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367116.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30103013123 its reverse (32131030103), we get a palindrome (62234043226).

The spelling of 30103013123 in words is "thirty billion, one hundred three million, thirteen thousand, one hundred twenty-three".