30001023203 has 4 divisors (see below), whose sum is σ = 30310312200. Its totient is φ = 29691734208.

The previous prime is 30001023149. The next prime is 30001023229. The reversal of 30001023203 is 30232010003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30232010003 = 13 ⋅2325539231.

It is a cyclic number.

It is not a de Polignac number, because 30001023203 - 2¹⁶ = 30000957667 is a prime.

It is a super-2 number, since 2×30001023203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30001323203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154644353 + ... + 154644546.

It is an arithmetic number, because the mean of its divisors is an integer number (7577578050).

Almost surely, 2^30001023203 is an apocalyptic number.

30001023203 is a deficient number, since it is larger than the sum of its proper divisors (309288997).

30001023203 is an equidigital number, since it uses as much as digits as its factorization.

30001023203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309288996.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 30001023203 its reverse (30232010003), we get a palindrome (60233033206).

The spelling of 30001023203 in words is "thirty billion, one million, twenty-three thousand, two hundred three".