30203023001 has 12 divisors (see below), whose sum is σ = 30831533460. Its totient is φ = 29583565440.

The previous prime is 30203022989. The next prime is 30203023007. The reversal of 30203023001 is 10032030203.

It can be written as a sum of positive squares in 2 ways, for example, as 18407976976 + 11795046025 = 135676^2 + 108605^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30203023001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30203023007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1004141 + ... + 1033781.

It is an arithmetic number, because the mean of its divisors is an integer number (2569294455).

Almost surely, 2^30203023001 is an apocalyptic number.

It is an amenable number.

30203023001 is a deficient number, since it is larger than the sum of its proper divisors (628510459).

30203023001 is an equidigital number, since it uses as much as digits as its factorization.

30203023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29944 (or 29837 counting only the distinct ones).

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

Adding to 30203023001 its reverse (10032030203), we get a palindrome (40235053204).

The spelling of 30203023001 in words is "thirty billion, two hundred three million, twenty-three thousand, one".