201203321330123 has 16 divisors (see below), whose sum is σ = 234641185920000. Its totient is φ = 172458707772456.

The previous prime is 201203321330113. The next prime is 201203321330147. The reversal of 201203321330123 is 321033123302102.

It is not a de Polignac number, because 201203321330123 - 2⁸ = 201203321329867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201203321330092 and 201203321330101.

It is not an unprimeable number, because it can be changed into a prime (201203321330113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45552248 + ... + 49773626.

It is an arithmetic number, because the mean of its divisors is an integer number (14665074120000).

Almost surely, 2^{201203321330123} is an apocalyptic number.

201203321330123 is a deficient number, since it is larger than the sum of its proper divisors (33437864589877).

201203321330123 is an equidigital number, since it uses as much as digits as its factorization.

201203321330123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360359 (or 4360345 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 201203321330123 its reverse (321033123302102), we get a palindrome (522236444632225).

The spelling of 201203321330123 in words is "two hundred one trillion, two hundred three billion, three hundred twenty-one million, three hundred thirty thousand, one hundred twenty-three".