30320030103123 has 4 divisors (see below), whose sum is σ = 40426706804168. Its totient is φ = 20213353402080.

The previous prime is 30320030103079. The next prime is 30320030103217. The reversal of 30320030103123 is 32130103002303.

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

It is not a de Polignac number, because 30320030103123 - 2¹⁰ = 30320030102099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30320030103123.

It is not an unprimeable number, because it can be changed into a prime (30320030103023) 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, 5053338350518 + ... + 5053338350523.

It is an arithmetic number, because the mean of its divisors is an integer number (10106676701042).

Almost surely, 2^{30320030103123} is an apocalyptic number.

30320030103123 is a deficient number, since it is larger than the sum of its proper divisors (10106676701045).

30320030103123 is a wasteful number, since it uses less digits than its factorization.

30320030103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10106676701044.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30320030103123 its reverse (32130103002303), we get a palindrome (62450133105426).

The spelling of 30320030103123 in words is "thirty trillion, three hundred twenty billion, thirty million, one hundred three thousand, one hundred twenty-three".