30130023203 has 4 divisors (see below), whose sum is σ = 34434312240. Its totient is φ = 25825734168.

The previous prime is 30130023199. The next prime is 30130023239. The reversal of 30130023203 is 30232003103.

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 30130023203 - 2² = 30130023199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30130023263) 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, 2152144508 + ... + 2152144521.

It is an arithmetic number, because the mean of its divisors is an integer number (8608578060).

Almost surely, 2^30130023203 is an apocalyptic number.

30130023203 is a deficient number, since it is larger than the sum of its proper divisors (4304289037).

30130023203 is an equidigital number, since it uses as much as digits as its factorization.

30130023203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304289036.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 30130023203 its reverse (30232003103), we get a palindrome (60362026306).

The spelling of 30130023203 in words is "thirty billion, one hundred thirty million, twenty-three thousand, two hundred three".