10201530123 has 16 divisors (see below), whose sum is σ = 15149293600. Its totient is φ = 6784858080.

The previous prime is 10201530113. The next prime is 10201530203. The reversal of 10201530123 is 32103510201.

10201530123 is a `hidden beast` number, since 10 + 2 + 0 + 1 + 530 + 123 = 666.

10201530123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10201530123 - 2⁴ = 10201530107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201530096 and 10201530105.

It is not an unprimeable number, because it can be changed into a prime (10201530113) 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 15 ways as a sum of consecutive naturals, for example, 437368 + ... + 460101.

It is an arithmetic number, because the mean of its divisors is an integer number (946830850).

Almost surely, 2^10201530123 is an apocalyptic number.

10201530123 is a deficient number, since it is larger than the sum of its proper divisors (4947763477).

10201530123 is an equidigital number, since it uses as much as digits as its factorization.

10201530123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897899 (or 897893 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The spelling of 10201530123 in words is "ten billion, two hundred one million, five hundred thirty thousand, one hundred twenty-three".