210001032003123 has 12 divisors (see below), whose sum is σ = 303334951628280. Its totient is φ = 140000629098816.

The previous prime is 210001032003109. The next prime is 210001032003127. The reversal of 210001032003123 is 321300230100012.

210001032003123 is a `hidden beast` number, since 21 + 0 + 0 + 0 + 10 + 320 + 0 + 312 + 3 = 666.

It is not a de Polignac number, because 210001032003123 - 2³⁰ = 209999958261299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210001032003096 and 210001032003105.

It is not an unprimeable number, because it can be changed into a prime (210001032003127) 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 11 ways as a sum of consecutive naturals, for example, 33435988 + ... + 39216926.

It is an arithmetic number, because the mean of its divisors is an integer number (25277912635690).

Almost surely, 2^{210001032003123} is an apocalyptic number.

210001032003123 is a deficient number, since it is larger than the sum of its proper divisors (93333919625157).

210001032003123 is a wasteful number, since it uses less digits than its factorization.

210001032003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9817218 (or 9817215 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 210001032003123 its reverse (321300230100012), we get a palindrome (531301262103135).

The spelling of 210001032003123 in words is "two hundred ten trillion, one billion, thirty-two million, three thousand, one hundred twenty-three".